type_traits revision 246487
1227825Stheraven// -*- C++ -*- 2227825Stheraven//===------------------------ type_traits ---------------------------------===// 3227825Stheraven// 4227825Stheraven// The LLVM Compiler Infrastructure 5227825Stheraven// 6227825Stheraven// This file is dual licensed under the MIT and the University of Illinois Open 7227825Stheraven// Source Licenses. See LICENSE.TXT for details. 8227825Stheraven// 9227825Stheraven//===----------------------------------------------------------------------===// 10227825Stheraven 11227825Stheraven#ifndef _LIBCPP_TYPE_TRAITS 12227825Stheraven#define _LIBCPP_TYPE_TRAITS 13227825Stheraven 14227825Stheraven/* 15227825Stheraven type_traits synopsis 16227825Stheraven 17227825Stheravennamespace std 18227825Stheraven{ 19227825Stheraven 20227825Stheraven // helper class: 21227825Stheraven template <class T, T v> struct integral_constant; 22227825Stheraven typedef integral_constant<bool, true> true_type; 23227825Stheraven typedef integral_constant<bool, false> false_type; 24227825Stheraven 25227825Stheraven // helper traits 26227825Stheraven template <bool, class T = void> struct enable_if; 27227825Stheraven template <bool, class T, class F> struct conditional; 28227825Stheraven 29227825Stheraven // Primary classification traits: 30227825Stheraven template <class T> struct is_void; 31227825Stheraven template <class T> struct is_integral; 32227825Stheraven template <class T> struct is_floating_point; 33227825Stheraven template <class T> struct is_array; 34227825Stheraven template <class T> struct is_pointer; 35227825Stheraven template <class T> struct is_lvalue_reference; 36227825Stheraven template <class T> struct is_rvalue_reference; 37227825Stheraven template <class T> struct is_member_object_pointer; 38227825Stheraven template <class T> struct is_member_function_pointer; 39227825Stheraven template <class T> struct is_enum; 40227825Stheraven template <class T> struct is_union; 41227825Stheraven template <class T> struct is_class; 42227825Stheraven template <class T> struct is_function; 43227825Stheraven 44227825Stheraven // Secondary classification traits: 45227825Stheraven template <class T> struct is_reference; 46227825Stheraven template <class T> struct is_arithmetic; 47227825Stheraven template <class T> struct is_fundamental; 48227825Stheraven template <class T> struct is_member_pointer; 49227825Stheraven template <class T> struct is_scalar; 50227825Stheraven template <class T> struct is_object; 51227825Stheraven template <class T> struct is_compound; 52227825Stheraven 53227825Stheraven // Const-volatile properties and transformations: 54227825Stheraven template <class T> struct is_const; 55227825Stheraven template <class T> struct is_volatile; 56227825Stheraven template <class T> struct remove_const; 57227825Stheraven template <class T> struct remove_volatile; 58227825Stheraven template <class T> struct remove_cv; 59227825Stheraven template <class T> struct add_const; 60227825Stheraven template <class T> struct add_volatile; 61227825Stheraven template <class T> struct add_cv; 62227825Stheraven 63227825Stheraven // Reference transformations: 64227825Stheraven template <class T> struct remove_reference; 65227825Stheraven template <class T> struct add_lvalue_reference; 66227825Stheraven template <class T> struct add_rvalue_reference; 67227825Stheraven 68227825Stheraven // Pointer transformations: 69227825Stheraven template <class T> struct remove_pointer; 70227825Stheraven template <class T> struct add_pointer; 71227825Stheraven 72227825Stheraven // Integral properties: 73227825Stheraven template <class T> struct is_signed; 74227825Stheraven template <class T> struct is_unsigned; 75227825Stheraven template <class T> struct make_signed; 76227825Stheraven template <class T> struct make_unsigned; 77227825Stheraven 78227825Stheraven // Array properties and transformations: 79227825Stheraven template <class T> struct rank; 80227825Stheraven template <class T, unsigned I = 0> struct extent; 81227825Stheraven template <class T> struct remove_extent; 82227825Stheraven template <class T> struct remove_all_extents; 83227825Stheraven 84227825Stheraven // Member introspection: 85227825Stheraven template <class T> struct is_pod; 86227825Stheraven template <class T> struct is_trivial; 87227825Stheraven template <class T> struct is_trivially_copyable; 88227825Stheraven template <class T> struct is_standard_layout; 89227825Stheraven template <class T> struct is_literal_type; 90227825Stheraven template <class T> struct is_empty; 91227825Stheraven template <class T> struct is_polymorphic; 92227825Stheraven template <class T> struct is_abstract; 93227825Stheraven 94227825Stheraven template <class T, class... Args> struct is_constructible; 95227825Stheraven template <class T> struct is_default_constructible; 96227825Stheraven template <class T> struct is_copy_constructible; 97227825Stheraven template <class T> struct is_move_constructible; 98227825Stheraven template <class T, class U> struct is_assignable; 99227825Stheraven template <class T> struct is_copy_assignable; 100227825Stheraven template <class T> struct is_move_assignable; 101227825Stheraven template <class T> struct is_destructible; 102227825Stheraven 103227825Stheraven template <class T, class... Args> struct is_trivially_constructible; 104227825Stheraven template <class T> struct is_trivially_default_constructible; 105227825Stheraven template <class T> struct is_trivially_copy_constructible; 106227825Stheraven template <class T> struct is_trivially_move_constructible; 107227825Stheraven template <class T, class U> struct is_trivially_assignable; 108227825Stheraven template <class T> struct is_trivially_copy_assignable; 109227825Stheraven template <class T> struct is_trivially_move_assignable; 110227825Stheraven template <class T> struct is_trivially_destructible; 111227825Stheraven 112227825Stheraven template <class T, class... Args> struct is_nothrow_constructible; 113227825Stheraven template <class T> struct is_nothrow_default_constructible; 114227825Stheraven template <class T> struct is_nothrow_copy_constructible; 115227825Stheraven template <class T> struct is_nothrow_move_constructible; 116227825Stheraven template <class T, class U> struct is_nothrow_assignable; 117227825Stheraven template <class T> struct is_nothrow_copy_assignable; 118227825Stheraven template <class T> struct is_nothrow_move_assignable; 119227825Stheraven template <class T> struct is_nothrow_destructible; 120227825Stheraven 121227825Stheraven template <class T> struct has_virtual_destructor; 122227825Stheraven 123227825Stheraven // Relationships between types: 124227825Stheraven template <class T, class U> struct is_same; 125227825Stheraven template <class Base, class Derived> struct is_base_of; 126227825Stheraven template <class From, class To> struct is_convertible; 127227825Stheraven 128227825Stheraven // Alignment properties and transformations: 129227825Stheraven template <class T> struct alignment_of; 130227825Stheraven template <size_t Len, size_t Align = most_stringent_alignment_requirement> 131227825Stheraven struct aligned_storage; 132227825Stheraven 133227825Stheraven template <class T> struct decay; 134227825Stheraven template <class... T> struct common_type; 135227825Stheraven template <class T> struct underlying_type; 136227825Stheraven template <class> class result_of; // undefined 137227825Stheraven template <class Fn, class... ArgTypes> class result_of<Fn(ArgTypes...)>; 138227825Stheraven 139227825Stheraven} // std 140227825Stheraven 141227825Stheraven*/ 142227825Stheraven#include <__config> 143227825Stheraven#include <cstddef> 144227825Stheraven 145227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 146227825Stheraven#pragma GCC system_header 147227825Stheraven#endif 148227825Stheraven 149227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 150227825Stheraven 151232950Stheraventemplate <bool _Bp, class _If, class _Then> 152227825Stheraven struct _LIBCPP_VISIBLE conditional {typedef _If type;}; 153227825Stheraventemplate <class _If, class _Then> 154227825Stheraven struct _LIBCPP_VISIBLE conditional<false, _If, _Then> {typedef _Then type;}; 155227825Stheraven 156227825Stheraventemplate <bool, class _Tp = void> struct _LIBCPP_VISIBLE enable_if {}; 157227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE enable_if<true, _Tp> {typedef _Tp type;}; 158227825Stheraven 159242945Stheravenstruct __two {char __lx[2];}; 160227825Stheraven 161227825Stheraven// helper class: 162227825Stheraven 163227825Stheraventemplate <class _Tp, _Tp __v> 164227825Stheravenstruct _LIBCPP_VISIBLE integral_constant 165227825Stheraven{ 166234976Stheraven static _LIBCPP_CONSTEXPR const _Tp value = __v; 167227825Stheraven typedef _Tp value_type; 168227825Stheraven typedef integral_constant type; 169227825Stheraven _LIBCPP_INLINE_VISIBILITY 170234976Stheraven _LIBCPP_CONSTEXPR operator value_type() const {return value;} 171227825Stheraven}; 172227825Stheraven 173227825Stheraventemplate <class _Tp, _Tp __v> 174234976Stheraven_LIBCPP_CONSTEXPR const _Tp integral_constant<_Tp, __v>::value; 175227825Stheraven 176227825Stheraventypedef integral_constant<bool, true> true_type; 177227825Stheraventypedef integral_constant<bool, false> false_type; 178227825Stheraven 179227825Stheraven// is_const 180227825Stheraven 181227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_const : public false_type {}; 182227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_const<_Tp const> : public true_type {}; 183227825Stheraven 184227825Stheraven// is_volatile 185227825Stheraven 186227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_volatile : public false_type {}; 187227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_volatile<_Tp volatile> : public true_type {}; 188227825Stheraven 189227825Stheraven// remove_const 190227825Stheraven 191227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_const {typedef _Tp type;}; 192227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_const<const _Tp> {typedef _Tp type;}; 193227825Stheraven 194227825Stheraven// remove_volatile 195227825Stheraven 196227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_volatile {typedef _Tp type;}; 197227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_volatile<volatile _Tp> {typedef _Tp type;}; 198227825Stheraven 199227825Stheraven// remove_cv 200227825Stheraven 201227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_cv 202227825Stheraven{typedef typename remove_volatile<typename remove_const<_Tp>::type>::type type;}; 203227825Stheraven 204227825Stheraven// is_void 205227825Stheraven 206227825Stheraventemplate <class _Tp> struct __is_void : public false_type {}; 207227825Stheraventemplate <> struct __is_void<void> : public true_type {}; 208227825Stheraven 209227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_void 210227825Stheraven : public __is_void<typename remove_cv<_Tp>::type> {}; 211227825Stheraven 212227825Stheraven// __is_nullptr_t 213227825Stheraven 214227825Stheraventemplate <class _Tp> struct ____is_nullptr_t : public false_type {}; 215227825Stheraventemplate <> struct ____is_nullptr_t<nullptr_t> : public true_type {}; 216227825Stheraven 217227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE __is_nullptr_t 218227825Stheraven : public ____is_nullptr_t<typename remove_cv<_Tp>::type> {}; 219227825Stheraven 220227825Stheraven// is_integral 221227825Stheraven 222227825Stheraventemplate <class _Tp> struct __is_integral : public false_type {}; 223227825Stheraventemplate <> struct __is_integral<bool> : public true_type {}; 224227825Stheraventemplate <> struct __is_integral<char> : public true_type {}; 225227825Stheraventemplate <> struct __is_integral<signed char> : public true_type {}; 226227825Stheraventemplate <> struct __is_integral<unsigned char> : public true_type {}; 227227825Stheraventemplate <> struct __is_integral<wchar_t> : public true_type {}; 228227825Stheraven#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 229227825Stheraventemplate <> struct __is_integral<char16_t> : public true_type {}; 230227825Stheraventemplate <> struct __is_integral<char32_t> : public true_type {}; 231227825Stheraven#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 232227825Stheraventemplate <> struct __is_integral<short> : public true_type {}; 233227825Stheraventemplate <> struct __is_integral<unsigned short> : public true_type {}; 234227825Stheraventemplate <> struct __is_integral<int> : public true_type {}; 235227825Stheraventemplate <> struct __is_integral<unsigned int> : public true_type {}; 236227825Stheraventemplate <> struct __is_integral<long> : public true_type {}; 237227825Stheraventemplate <> struct __is_integral<unsigned long> : public true_type {}; 238227825Stheraventemplate <> struct __is_integral<long long> : public true_type {}; 239227825Stheraventemplate <> struct __is_integral<unsigned long long> : public true_type {}; 240227825Stheraven 241227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_integral 242227825Stheraven : public __is_integral<typename remove_cv<_Tp>::type> {}; 243227825Stheraven 244227825Stheraven// is_floating_point 245227825Stheraven 246227825Stheraventemplate <class _Tp> struct __is_floating_point : public false_type {}; 247227825Stheraventemplate <> struct __is_floating_point<float> : public true_type {}; 248227825Stheraventemplate <> struct __is_floating_point<double> : public true_type {}; 249227825Stheraventemplate <> struct __is_floating_point<long double> : public true_type {}; 250227825Stheraven 251227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_floating_point 252227825Stheraven : public __is_floating_point<typename remove_cv<_Tp>::type> {}; 253227825Stheraven 254227825Stheraven// is_array 255227825Stheraven 256227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_array 257227825Stheraven : public false_type {}; 258227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_array<_Tp[]> 259227825Stheraven : public true_type {}; 260227825Stheraventemplate <class _Tp, size_t _Np> struct _LIBCPP_VISIBLE is_array<_Tp[_Np]> 261227825Stheraven : public true_type {}; 262227825Stheraven 263227825Stheraven// is_pointer 264227825Stheraven 265227825Stheraventemplate <class _Tp> struct __is_pointer : public false_type {}; 266227825Stheraventemplate <class _Tp> struct __is_pointer<_Tp*> : public true_type {}; 267227825Stheraven 268227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_pointer 269227825Stheraven : public __is_pointer<typename remove_cv<_Tp>::type> {}; 270227825Stheraven 271227825Stheraven// is_reference 272227825Stheraven 273227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_lvalue_reference : public false_type {}; 274227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_lvalue_reference<_Tp&> : public true_type {}; 275227825Stheraven 276227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_rvalue_reference : public false_type {}; 277227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 278227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_rvalue_reference<_Tp&&> : public true_type {}; 279227825Stheraven#endif 280227825Stheraven 281227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_reference : public false_type {}; 282227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_reference<_Tp&> : public true_type {}; 283227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 284227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_reference<_Tp&&> : public true_type {}; 285227825Stheraven#endif 286227825Stheraven 287227825Stheraven#if defined(__clang__) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 288227825Stheraven#define _LIBCPP_HAS_TYPE_TRAITS 289227825Stheraven#endif 290227825Stheraven 291227825Stheraven// is_union 292227825Stheraven 293227825Stheraven#if __has_feature(is_union) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 294227825Stheraven 295227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_union 296227825Stheraven : public integral_constant<bool, __is_union(_Tp)> {}; 297227825Stheraven 298227825Stheraven#else 299227825Stheraven 300227825Stheraventemplate <class _Tp> struct __libcpp_union : public false_type {}; 301227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_union 302227825Stheraven : public __libcpp_union<typename remove_cv<_Tp>::type> {}; 303227825Stheraven 304227825Stheraven#endif 305227825Stheraven 306227825Stheraven// is_class 307227825Stheraven 308227825Stheraven#if __has_feature(is_class) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 309227825Stheraven 310227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_class 311227825Stheraven : public integral_constant<bool, __is_class(_Tp)> {}; 312227825Stheraven 313227825Stheraven#else 314227825Stheraven 315227825Stheravennamespace __is_class_imp 316227825Stheraven{ 317227825Stheraventemplate <class _Tp> char __test(int _Tp::*); 318227825Stheraventemplate <class _Tp> __two __test(...); 319227825Stheraven} 320227825Stheraven 321227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_class 322227825Stheraven : public integral_constant<bool, sizeof(__is_class_imp::__test<_Tp>(0)) == 1 && !is_union<_Tp>::value> {}; 323227825Stheraven 324227825Stheraven#endif 325227825Stheraven 326227825Stheraven// is_same 327227825Stheraven 328227825Stheraventemplate <class _Tp, class _Up> struct _LIBCPP_VISIBLE is_same : public false_type {}; 329227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_same<_Tp, _Tp> : public true_type {}; 330227825Stheraven 331227825Stheraven// is_function 332227825Stheraven 333227825Stheravennamespace __is_function_imp 334227825Stheraven{ 335227825Stheraventemplate <class _Tp> char __test(_Tp*); 336227825Stheraventemplate <class _Tp> __two __test(...); 337227825Stheraventemplate <class _Tp> _Tp& __source(); 338227825Stheraven} 339227825Stheraven 340227825Stheraventemplate <class _Tp, bool = is_class<_Tp>::value || 341227825Stheraven is_union<_Tp>::value || 342227825Stheraven is_void<_Tp>::value || 343227825Stheraven is_reference<_Tp>::value || 344227825Stheraven is_same<_Tp, nullptr_t>::value > 345227825Stheravenstruct __is_function 346227825Stheraven : public integral_constant<bool, sizeof(__is_function_imp::__test<_Tp>(__is_function_imp::__source<_Tp>())) == 1> 347227825Stheraven {}; 348227825Stheraventemplate <class _Tp> struct __is_function<_Tp, true> : public false_type {}; 349227825Stheraven 350227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_function 351227825Stheraven : public __is_function<_Tp> {}; 352227825Stheraven 353227825Stheraven// is_member_function_pointer 354227825Stheraven 355227825Stheraventemplate <class _Tp> struct __is_member_function_pointer : public false_type {}; 356227825Stheraventemplate <class _Tp, class _Up> struct __is_member_function_pointer<_Tp _Up::*> : public is_function<_Tp> {}; 357227825Stheraven 358227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_member_function_pointer 359227825Stheraven : public __is_member_function_pointer<typename remove_cv<_Tp>::type> {}; 360227825Stheraven 361227825Stheraven// is_member_pointer 362227825Stheraven 363227825Stheraventemplate <class _Tp> struct __is_member_pointer : public false_type {}; 364227825Stheraventemplate <class _Tp, class _Up> struct __is_member_pointer<_Tp _Up::*> : public true_type {}; 365227825Stheraven 366227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_member_pointer 367227825Stheraven : public __is_member_pointer<typename remove_cv<_Tp>::type> {}; 368227825Stheraven 369227825Stheraven// is_member_object_pointer 370227825Stheraven 371227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_member_object_pointer 372227825Stheraven : public integral_constant<bool, is_member_pointer<_Tp>::value && 373227825Stheraven !is_member_function_pointer<_Tp>::value> {}; 374227825Stheraven 375227825Stheraven// is_enum 376227825Stheraven 377227825Stheraven#if __has_feature(is_enum) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 378227825Stheraven 379227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_enum 380227825Stheraven : public integral_constant<bool, __is_enum(_Tp)> {}; 381227825Stheraven 382227825Stheraven#else 383227825Stheraven 384227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_enum 385227825Stheraven : public integral_constant<bool, !is_void<_Tp>::value && 386227825Stheraven !is_integral<_Tp>::value && 387227825Stheraven !is_floating_point<_Tp>::value && 388227825Stheraven !is_array<_Tp>::value && 389227825Stheraven !is_pointer<_Tp>::value && 390227825Stheraven !is_reference<_Tp>::value && 391227825Stheraven !is_member_pointer<_Tp>::value && 392227825Stheraven !is_union<_Tp>::value && 393227825Stheraven !is_class<_Tp>::value && 394227825Stheraven !is_function<_Tp>::value > {}; 395227825Stheraven 396227825Stheraven#endif 397227825Stheraven 398227825Stheraven// is_arithmetic 399227825Stheraven 400227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_arithmetic 401227825Stheraven : public integral_constant<bool, is_integral<_Tp>::value || 402227825Stheraven is_floating_point<_Tp>::value> {}; 403227825Stheraven 404227825Stheraven// is_fundamental 405227825Stheraven 406227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_fundamental 407227825Stheraven : public integral_constant<bool, is_void<_Tp>::value || 408227825Stheraven __is_nullptr_t<_Tp>::value || 409227825Stheraven is_arithmetic<_Tp>::value> {}; 410227825Stheraven 411227825Stheraven// is_scalar 412227825Stheraven 413227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_scalar 414227825Stheraven : public integral_constant<bool, is_arithmetic<_Tp>::value || 415227825Stheraven is_member_pointer<_Tp>::value || 416227825Stheraven is_pointer<_Tp>::value || 417227825Stheraven __is_nullptr_t<_Tp>::value || 418227825Stheraven is_enum<_Tp>::value > {}; 419227825Stheraven 420227825Stheraventemplate <> struct _LIBCPP_VISIBLE is_scalar<nullptr_t> : public true_type {}; 421227825Stheraven 422227825Stheraven// is_object 423227825Stheraven 424227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_object 425227825Stheraven : public integral_constant<bool, is_scalar<_Tp>::value || 426227825Stheraven is_array<_Tp>::value || 427227825Stheraven is_union<_Tp>::value || 428227825Stheraven is_class<_Tp>::value > {}; 429227825Stheraven 430227825Stheraven// is_compound 431227825Stheraven 432227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_compound 433227825Stheraven : public integral_constant<bool, !is_fundamental<_Tp>::value> {}; 434227825Stheraven 435227825Stheraven// add_const 436227825Stheraven 437227825Stheraventemplate <class _Tp, bool = is_reference<_Tp>::value || 438227825Stheraven is_function<_Tp>::value || 439227825Stheraven is_const<_Tp>::value > 440227825Stheravenstruct __add_const {typedef _Tp type;}; 441227825Stheraven 442227825Stheraventemplate <class _Tp> 443227825Stheravenstruct __add_const<_Tp, false> {typedef const _Tp type;}; 444227825Stheraven 445227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_const 446227825Stheraven {typedef typename __add_const<_Tp>::type type;}; 447227825Stheraven 448227825Stheraven// add_volatile 449227825Stheraven 450227825Stheraventemplate <class _Tp, bool = is_reference<_Tp>::value || 451227825Stheraven is_function<_Tp>::value || 452227825Stheraven is_volatile<_Tp>::value > 453227825Stheravenstruct __add_volatile {typedef _Tp type;}; 454227825Stheraven 455227825Stheraventemplate <class _Tp> 456227825Stheravenstruct __add_volatile<_Tp, false> {typedef volatile _Tp type;}; 457227825Stheraven 458227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_volatile 459227825Stheraven {typedef typename __add_volatile<_Tp>::type type;}; 460227825Stheraven 461227825Stheraven// add_cv 462227825Stheraven 463227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_cv 464227825Stheraven {typedef typename add_const<typename add_volatile<_Tp>::type>::type type;}; 465227825Stheraven 466227825Stheraven// remove_reference 467227825Stheraven 468227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_reference {typedef _Tp type;}; 469227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_reference<_Tp&> {typedef _Tp type;}; 470227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 471227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_reference<_Tp&&> {typedef _Tp type;}; 472227825Stheraven#endif 473227825Stheraven 474227825Stheraven// add_lvalue_reference 475227825Stheraven 476227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_lvalue_reference {typedef _Tp& type;}; 477227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_lvalue_reference<_Tp&> {typedef _Tp& type;}; // for older compiler 478227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_lvalue_reference<void> {typedef void type;}; 479227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_lvalue_reference<const void> {typedef const void type;}; 480227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_lvalue_reference<volatile void> {typedef volatile void type;}; 481227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_lvalue_reference<const volatile void> {typedef const volatile void type;}; 482227825Stheraven 483227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 484227825Stheraven 485227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_rvalue_reference {typedef _Tp&& type;}; 486227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_rvalue_reference<void> {typedef void type;}; 487227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_rvalue_reference<const void> {typedef const void type;}; 488227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_rvalue_reference<volatile void> {typedef volatile void type;}; 489227825Stheraventemplate <> struct _LIBCPP_VISIBLE add_rvalue_reference<const volatile void> {typedef const volatile void type;}; 490227825Stheraven 491227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 492227825Stheraven 493227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 494227825Stheraven 495227825Stheraventemplate <class _Tp> 496227825Stheraventypename add_rvalue_reference<_Tp>::type 497227825Stheravendeclval() _NOEXCEPT; 498227825Stheraven 499227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 500227825Stheraven 501227825Stheraventemplate <class _Tp> 502227825Stheraventypename add_lvalue_reference<_Tp>::type 503227825Stheravendeclval(); 504227825Stheraven 505227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 506227825Stheraven 507227825Stheravenstruct __any 508227825Stheraven{ 509227825Stheraven __any(...); 510227825Stheraven}; 511227825Stheraven 512227825Stheraven// remove_pointer 513227825Stheraven 514227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_pointer {typedef _Tp type;}; 515227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_pointer<_Tp*> {typedef _Tp type;}; 516227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_pointer<_Tp* const> {typedef _Tp type;}; 517227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_pointer<_Tp* volatile> {typedef _Tp type;}; 518227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_pointer<_Tp* const volatile> {typedef _Tp type;}; 519227825Stheraven 520227825Stheraven// add_pointer 521227825Stheraven 522227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE add_pointer 523227825Stheraven {typedef typename remove_reference<_Tp>::type* type;}; 524227825Stheraven 525227825Stheraven// is_signed 526227825Stheraven 527227825Stheraventemplate <class _Tp, bool = is_integral<_Tp>::value> 528227825Stheravenstruct ___is_signed : public integral_constant<bool, _Tp(-1) < _Tp(0)> {}; 529227825Stheraven 530227825Stheraventemplate <class _Tp> 531227825Stheravenstruct ___is_signed<_Tp, false> : public true_type {}; // floating point 532227825Stheraven 533227825Stheraventemplate <class _Tp, bool = is_arithmetic<_Tp>::value> 534227825Stheravenstruct __is_signed : public ___is_signed<_Tp> {}; 535227825Stheraven 536227825Stheraventemplate <class _Tp> struct __is_signed<_Tp, false> : public false_type {}; 537227825Stheraven 538227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_signed : public __is_signed<_Tp> {}; 539227825Stheraven 540227825Stheraven// is_unsigned 541227825Stheraven 542227825Stheraventemplate <class _Tp, bool = is_integral<_Tp>::value> 543227825Stheravenstruct ___is_unsigned : public integral_constant<bool, _Tp(0) < _Tp(-1)> {}; 544227825Stheraven 545227825Stheraventemplate <class _Tp> 546227825Stheravenstruct ___is_unsigned<_Tp, false> : public false_type {}; // floating point 547227825Stheraven 548227825Stheraventemplate <class _Tp, bool = is_arithmetic<_Tp>::value> 549227825Stheravenstruct __is_unsigned : public ___is_unsigned<_Tp> {}; 550227825Stheraven 551227825Stheraventemplate <class _Tp> struct __is_unsigned<_Tp, false> : public false_type {}; 552227825Stheraven 553227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_unsigned : public __is_unsigned<_Tp> {}; 554227825Stheraven 555227825Stheraven// rank 556227825Stheraven 557227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE rank 558227825Stheraven : public integral_constant<size_t, 0> {}; 559227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE rank<_Tp[]> 560227825Stheraven : public integral_constant<size_t, rank<_Tp>::value + 1> {}; 561227825Stheraventemplate <class _Tp, size_t _Np> struct _LIBCPP_VISIBLE rank<_Tp[_Np]> 562227825Stheraven : public integral_constant<size_t, rank<_Tp>::value + 1> {}; 563227825Stheraven 564227825Stheraven// extent 565227825Stheraven 566227825Stheraventemplate <class _Tp, unsigned _Ip = 0> struct _LIBCPP_VISIBLE extent 567227825Stheraven : public integral_constant<size_t, 0> {}; 568227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE extent<_Tp[], 0> 569227825Stheraven : public integral_constant<size_t, 0> {}; 570227825Stheraventemplate <class _Tp, unsigned _Ip> struct _LIBCPP_VISIBLE extent<_Tp[], _Ip> 571227825Stheraven : public integral_constant<size_t, extent<_Tp, _Ip-1>::value> {}; 572227825Stheraventemplate <class _Tp, size_t _Np> struct _LIBCPP_VISIBLE extent<_Tp[_Np], 0> 573227825Stheraven : public integral_constant<size_t, _Np> {}; 574227825Stheraventemplate <class _Tp, size_t _Np, unsigned _Ip> struct _LIBCPP_VISIBLE extent<_Tp[_Np], _Ip> 575227825Stheraven : public integral_constant<size_t, extent<_Tp, _Ip-1>::value> {}; 576227825Stheraven 577227825Stheraven// remove_extent 578227825Stheraven 579227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_extent 580227825Stheraven {typedef _Tp type;}; 581227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_extent<_Tp[]> 582227825Stheraven {typedef _Tp type;}; 583227825Stheraventemplate <class _Tp, size_t _Np> struct _LIBCPP_VISIBLE remove_extent<_Tp[_Np]> 584227825Stheraven {typedef _Tp type;}; 585227825Stheraven 586227825Stheraven// remove_all_extents 587227825Stheraven 588227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_all_extents 589227825Stheraven {typedef _Tp type;}; 590227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE remove_all_extents<_Tp[]> 591227825Stheraven {typedef typename remove_all_extents<_Tp>::type type;}; 592227825Stheraventemplate <class _Tp, size_t _Np> struct _LIBCPP_VISIBLE remove_all_extents<_Tp[_Np]> 593227825Stheraven {typedef typename remove_all_extents<_Tp>::type type;}; 594227825Stheraven 595227825Stheraven// is_abstract 596227825Stheraven 597227825Stheravennamespace __is_abstract_imp 598227825Stheraven{ 599227825Stheraventemplate <class _Tp> char __test(_Tp (*)[1]); 600227825Stheraventemplate <class _Tp> __two __test(...); 601227825Stheraven} 602227825Stheraven 603227825Stheraventemplate <class _Tp, bool = is_class<_Tp>::value> 604227825Stheravenstruct __libcpp_abstract : public integral_constant<bool, sizeof(__is_abstract_imp::__test<_Tp>(0)) != 1> {}; 605227825Stheraven 606227825Stheraventemplate <class _Tp> struct __libcpp_abstract<_Tp, false> : public false_type {}; 607227825Stheraven 608227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_abstract : public __libcpp_abstract<_Tp> {}; 609227825Stheraven 610241903Sdim// is_base_of 611241903Sdim 612241903Sdim#ifdef _LIBCP_HAS_IS_BASE_OF 613241903Sdim 614241903Sdimtemplate <class _Bp, class _Dp> 615241903Sdimstruct _LIBCPP_VISIBLE is_base_of 616241903Sdim : public integral_constant<bool, __is_base_of(_Bp, _Dp)> {}; 617241903Sdim 618241903Sdim#else // __has_feature(is_base_of) 619241903Sdim 620246487Stheravennamespace __is_base_of_imp 621246487Stheraven{ 622246487Stheraventemplate <class _Tp> 623246487Stheravenstruct _Dst 624246487Stheraven{ 625246487Stheraven _Dst(const volatile _Tp &); 626246487Stheraven}; 627246487Stheraventemplate <class _Tp> 628246487Stheravenstruct _Src 629246487Stheraven{ 630246487Stheraven operator const volatile _Tp &(); 631246487Stheraven template <class _Up> operator const _Dst<_Up> &(); 632246487Stheraven}; 633246487Stheraventemplate <size_t> struct __one { typedef char type; }; 634246487Stheraventemplate <class _Bp, class _Dp> typename __one<sizeof(_Dst<_Bp>(declval<_Src<_Dp> >()))>::type __test(int); 635246487Stheraventemplate <class _Bp, class _Dp> __two __test(...); 636246487Stheraven} 637241903Sdim 638246487Stheraventemplate <class _Bp, class _Dp> 639246487Stheravenstruct _LIBCPP_VISIBLE is_base_of 640246487Stheraven : public integral_constant<bool, is_class<_Bp>::value && 641246487Stheraven sizeof(__is_base_of_imp::__test<_Bp, _Dp>(0)) == 2> {}; 642246487Stheraven 643241903Sdim#endif // __has_feature(is_base_of) 644241903Sdim 645227825Stheraven// is_convertible 646227825Stheraven 647227825Stheraven#if __has_feature(is_convertible_to) 648227825Stheraven 649227825Stheraventemplate <class _T1, class _T2> struct _LIBCPP_VISIBLE is_convertible 650241903Sdim : public integral_constant<bool, __is_convertible_to(_T1, _T2) && 651241903Sdim !is_abstract<_T2>::value> {}; 652227825Stheraven 653227825Stheraven#else // __has_feature(is_convertible_to) 654227825Stheraven 655227825Stheravennamespace __is_convertible_imp 656227825Stheraven{ 657227825Stheraventemplate <class _Tp> char __test(_Tp); 658227825Stheraventemplate <class _Tp> __two __test(...); 659227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 660227825Stheraventemplate <class _Tp> _Tp&& __source(); 661227825Stheraven#else 662227825Stheraventemplate <class _Tp> typename remove_reference<_Tp>::type& __source(); 663227825Stheraven#endif 664227825Stheraven 665227825Stheraventemplate <class _Tp, bool _IsArray = is_array<_Tp>::value, 666227825Stheraven bool _IsFunction = is_function<_Tp>::value, 667227825Stheraven bool _IsVoid = is_void<_Tp>::value> 668227825Stheraven struct __is_array_function_or_void {enum {value = 0};}; 669227825Stheraventemplate <class _Tp> struct __is_array_function_or_void<_Tp, true, false, false> {enum {value = 1};}; 670227825Stheraventemplate <class _Tp> struct __is_array_function_or_void<_Tp, false, true, false> {enum {value = 2};}; 671227825Stheraventemplate <class _Tp> struct __is_array_function_or_void<_Tp, false, false, true> {enum {value = 3};}; 672227825Stheraven} 673227825Stheraven 674227825Stheraventemplate <class _Tp, 675227825Stheraven unsigned = __is_convertible_imp::__is_array_function_or_void<typename remove_reference<_Tp>::type>::value> 676227825Stheravenstruct __is_convertible_check 677227825Stheraven{ 678227825Stheraven static const size_t __v = 0; 679227825Stheraven}; 680227825Stheraven 681227825Stheraventemplate <class _Tp> 682227825Stheravenstruct __is_convertible_check<_Tp, 0> 683227825Stheraven{ 684227825Stheraven static const size_t __v = sizeof(_Tp); 685227825Stheraven}; 686227825Stheraven 687227825Stheraventemplate <class _T1, class _T2, 688227825Stheraven unsigned _T1_is_array_function_or_void = __is_convertible_imp::__is_array_function_or_void<_T1>::value, 689227825Stheraven unsigned _T2_is_array_function_or_void = __is_convertible_imp::__is_array_function_or_void<_T2>::value> 690227825Stheravenstruct __is_convertible 691227825Stheraven : public integral_constant<bool, 692241903Sdim#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 693227825Stheraven sizeof(__is_convertible_imp::__test<_T2>(__is_convertible_imp::__source<_T1>())) == 1 694241903Sdim#else 695241903Sdim sizeof(__is_convertible_imp::__test<_T2>(__is_convertible_imp::__source<_T1>())) == 1 696241903Sdim && !(!is_function<_T1>::value && !is_reference<_T1>::value && is_reference<_T2>::value 697241903Sdim && (!is_const<typename remove_reference<_T2>::type>::value 698241903Sdim || is_volatile<typename remove_reference<_T2>::type>::value) 699241903Sdim && (is_same<typename remove_cv<_T1>::type, 700241903Sdim typename remove_cv<typename remove_reference<_T2>::type>::type>::value 701241903Sdim || is_base_of<typename remove_reference<_T2>::type, _T1>::value)) 702241903Sdim#endif 703227825Stheraven > 704227825Stheraven{}; 705227825Stheraven 706227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 0> : false_type {}; 707227825Stheraven 708227825Stheraventemplate <class _T1> struct __is_convertible<_T1, const _T1&, 1, 0> : true_type {}; 709227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 710227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1&&, 1, 0> : true_type {}; 711227825Stheraventemplate <class _T1> struct __is_convertible<_T1, const _T1&&, 1, 0> : true_type {}; 712227825Stheraventemplate <class _T1> struct __is_convertible<_T1, volatile _T1&&, 1, 0> : true_type {}; 713227825Stheraventemplate <class _T1> struct __is_convertible<_T1, const volatile _T1&&, 1, 0> : true_type {}; 714227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 715227825Stheraven 716227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2*, 1, 0> 717227825Stheraven : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*>::value> {}; 718227825Stheraven 719227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2* const, 1, 0> 720227825Stheraven : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*const>::value> {}; 721227825Stheraven 722227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2* volatile, 1, 0> 723227825Stheraven : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*volatile>::value> {}; 724227825Stheraven 725227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2* const volatile, 1, 0> 726227825Stheraven : public integral_constant<bool, __is_convertible<typename remove_all_extents<_T1>::type*, _T2*const volatile>::value> {}; 727227825Stheraven 728227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 0> : public false_type {}; 729227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 730227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1&&, 2, 0> : public true_type {}; 731227825Stheraven#endif 732241903Sdimtemplate <class _T1> struct __is_convertible<_T1, _T1&, 2, 0> : public true_type {}; 733227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1*, 2, 0> : public true_type {}; 734227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1*const, 2, 0> : public true_type {}; 735227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1*volatile, 2, 0> : public true_type {}; 736227825Stheraventemplate <class _T1> struct __is_convertible<_T1, _T1*const volatile, 2, 0> : public true_type {}; 737227825Stheraven 738227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 0> : public false_type {}; 739227825Stheraven 740227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 1> : public false_type {}; 741227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 1> : public false_type {}; 742227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 1> : public false_type {}; 743227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 1> : public false_type {}; 744227825Stheraven 745227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 2> : public false_type {}; 746227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 2> : public false_type {}; 747227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 2> : public false_type {}; 748227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 2> : public false_type {}; 749227825Stheraven 750227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 0, 3> : public false_type {}; 751227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 1, 3> : public false_type {}; 752227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 2, 3> : public false_type {}; 753227825Stheraventemplate <class _T1, class _T2> struct __is_convertible<_T1, _T2, 3, 3> : public true_type {}; 754227825Stheraven 755227825Stheraventemplate <class _T1, class _T2> struct _LIBCPP_VISIBLE is_convertible 756227825Stheraven : public __is_convertible<_T1, _T2> 757227825Stheraven{ 758227825Stheraven static const size_t __complete_check1 = __is_convertible_check<_T1>::__v; 759227825Stheraven static const size_t __complete_check2 = __is_convertible_check<_T2>::__v; 760227825Stheraven}; 761227825Stheraven 762227825Stheraven#endif // __has_feature(is_convertible_to) 763227825Stheraven 764227825Stheraven// is_empty 765227825Stheraven 766232950Stheraven#if __has_feature(is_empty) 767232950Stheraven 768227825Stheraventemplate <class _Tp> 769232950Stheravenstruct _LIBCPP_VISIBLE is_empty 770232950Stheraven : public integral_constant<bool, __is_empty(_Tp)> {}; 771232950Stheraven 772232950Stheraven#else // __has_feature(is_empty) 773232950Stheraven 774232950Stheraventemplate <class _Tp> 775227825Stheravenstruct __is_empty1 776227825Stheraven : public _Tp 777227825Stheraven{ 778242945Stheraven double __lx; 779227825Stheraven}; 780227825Stheraven 781227825Stheravenstruct __is_empty2 782227825Stheraven{ 783242945Stheraven double __lx; 784227825Stheraven}; 785227825Stheraven 786227825Stheraventemplate <class _Tp, bool = is_class<_Tp>::value> 787227825Stheravenstruct __libcpp_empty : public integral_constant<bool, sizeof(__is_empty1<_Tp>) == sizeof(__is_empty2)> {}; 788227825Stheraven 789227825Stheraventemplate <class _Tp> struct __libcpp_empty<_Tp, false> : public false_type {}; 790227825Stheraven 791227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_empty : public __libcpp_empty<_Tp> {}; 792227825Stheraven 793232950Stheraven#endif // __has_feature(is_empty) 794232950Stheraven 795227825Stheraven// is_polymorphic 796227825Stheraven 797232950Stheraven#if __has_feature(is_polymorphic) 798232950Stheraven 799232950Stheraventemplate <class _Tp> 800232950Stheravenstruct _LIBCPP_VISIBLE is_polymorphic 801232950Stheraven : public integral_constant<bool, __is_polymorphic(_Tp)> {}; 802232950Stheraven 803232950Stheraven#else 804232950Stheraven 805227825Stheraventemplate <class _Tp> struct __is_polymorphic1 : public _Tp {}; 806227825Stheraventemplate <class _Tp> struct __is_polymorphic2 : public _Tp {virtual ~__is_polymorphic2() throw();}; 807227825Stheraven 808227825Stheraventemplate <class _Tp, bool = is_class<_Tp>::value> 809227825Stheravenstruct __libcpp_polymorphic 810227825Stheraven : public integral_constant<bool, sizeof(__is_polymorphic1<_Tp>) == sizeof(__is_polymorphic2<_Tp>)> {}; 811227825Stheraven 812227825Stheraventemplate <class _Tp> struct __libcpp_polymorphic<_Tp, false> : public false_type {}; 813227825Stheraven 814227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_polymorphic 815227825Stheraven : public __libcpp_polymorphic<_Tp> {}; 816227825Stheraven 817232950Stheraven#endif // __has_feature(is_polymorphic) 818232950Stheraven 819227825Stheraven// has_virtual_destructor 820227825Stheraven 821227825Stheraven#if __has_feature(has_virtual_destructor) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 822227825Stheraven 823227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE has_virtual_destructor 824227825Stheraven : public integral_constant<bool, __has_virtual_destructor(_Tp)> {}; 825227825Stheraven 826227825Stheraven#else // _LIBCPP_HAS_TYPE_TRAITS 827227825Stheraven 828227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE has_virtual_destructor 829227825Stheraven : public false_type {}; 830227825Stheraven 831227825Stheraven#endif // _LIBCPP_HAS_TYPE_TRAITS 832227825Stheraven 833227825Stheraven// alignment_of 834227825Stheraven 835242945Stheraventemplate <class _Tp> struct __alignment_of {_Tp __lx;}; 836227825Stheraven 837227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE alignment_of 838227825Stheraven : public integral_constant<size_t, __alignof__(__alignment_of<typename remove_all_extents<_Tp>::type>)> {}; 839227825Stheraven 840227825Stheraven// aligned_storage 841227825Stheraven 842227825Stheraventemplate <class _Hp, class _Tp> 843227825Stheravenstruct __type_list 844227825Stheraven{ 845227825Stheraven typedef _Hp _Head; 846227825Stheraven typedef _Tp _Tail; 847227825Stheraven}; 848227825Stheraven 849227825Stheravenstruct __nat 850227825Stheraven{ 851227825Stheraven#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS 852227825Stheraven __nat() = delete; 853227825Stheraven __nat(const __nat&) = delete; 854227825Stheraven __nat& operator=(const __nat&) = delete; 855227825Stheraven ~__nat() = delete; 856227825Stheraven#endif 857227825Stheraven}; 858227825Stheraven 859227825Stheraventemplate <class _Tp> 860227825Stheravenstruct __align_type 861227825Stheraven{ 862227825Stheraven static const size_t value = alignment_of<_Tp>::value; 863227825Stheraven typedef _Tp type; 864227825Stheraven}; 865227825Stheraven 866242945Stheravenstruct __struct_double {long double __lx;}; 867242945Stheravenstruct __struct_double4 {double __lx[4];}; 868227825Stheraven 869227825Stheraventypedef 870227825Stheraven __type_list<__align_type<unsigned char>, 871227825Stheraven __type_list<__align_type<unsigned short>, 872227825Stheraven __type_list<__align_type<unsigned int>, 873227825Stheraven __type_list<__align_type<unsigned long>, 874227825Stheraven __type_list<__align_type<unsigned long long>, 875227825Stheraven __type_list<__align_type<double>, 876227825Stheraven __type_list<__align_type<long double>, 877227825Stheraven __type_list<__align_type<__struct_double>, 878227825Stheraven __type_list<__align_type<__struct_double4>, 879227825Stheraven __type_list<__align_type<int*>, 880227825Stheraven __nat 881227825Stheraven > > > > > > > > > > __all_types; 882227825Stheraven 883227825Stheraventemplate <class _TL, size_t _Align> struct __find_pod; 884227825Stheraven 885227825Stheraventemplate <class _Hp, size_t _Align> 886227825Stheravenstruct __find_pod<__type_list<_Hp, __nat>, _Align> 887227825Stheraven{ 888227825Stheraven typedef typename conditional< 889227825Stheraven _Align == _Hp::value, 890227825Stheraven typename _Hp::type, 891227825Stheraven void 892227825Stheraven >::type type; 893227825Stheraven}; 894227825Stheraven 895227825Stheraventemplate <class _Hp, class _Tp, size_t _Align> 896227825Stheravenstruct __find_pod<__type_list<_Hp, _Tp>, _Align> 897227825Stheraven{ 898227825Stheraven typedef typename conditional< 899227825Stheraven _Align == _Hp::value, 900227825Stheraven typename _Hp::type, 901227825Stheraven typename __find_pod<_Tp, _Align>::type 902227825Stheraven >::type type; 903227825Stheraven}; 904227825Stheraven 905227825Stheraventemplate <class _TL, size_t _Len> struct __find_max_align; 906227825Stheraven 907227825Stheraventemplate <class _Hp, size_t _Len> 908227825Stheravenstruct __find_max_align<__type_list<_Hp, __nat>, _Len> : public integral_constant<size_t, _Hp::value> {}; 909227825Stheraven 910227825Stheraventemplate <size_t _Len, size_t _A1, size_t _A2> 911227825Stheravenstruct __select_align 912227825Stheraven{ 913227825Stheravenprivate: 914227825Stheraven static const size_t __min = _A2 < _A1 ? _A2 : _A1; 915227825Stheraven static const size_t __max = _A1 < _A2 ? _A2 : _A1; 916227825Stheravenpublic: 917227825Stheraven static const size_t value = _Len < __max ? __min : __max; 918227825Stheraven}; 919227825Stheraven 920227825Stheraventemplate <class _Hp, class _Tp, size_t _Len> 921227825Stheravenstruct __find_max_align<__type_list<_Hp, _Tp>, _Len> 922227825Stheraven : public integral_constant<size_t, __select_align<_Len, _Hp::value, __find_max_align<_Tp, _Len>::value>::value> {}; 923227825Stheraven 924227825Stheraventemplate <size_t _Len, const size_t _Align = __find_max_align<__all_types, _Len>::value> 925227825Stheravenstruct _LIBCPP_VISIBLE aligned_storage 926227825Stheraven{ 927227825Stheraven typedef typename __find_pod<__all_types, _Align>::type _Aligner; 928227825Stheraven static_assert(!is_void<_Aligner>::value, ""); 929227825Stheraven union type 930227825Stheraven { 931227825Stheraven _Aligner __align; 932227825Stheraven unsigned char __data[_Len]; 933227825Stheraven }; 934227825Stheraven}; 935227825Stheraven 936227825Stheraven#define _CREATE_ALIGNED_STORAGE_SPECIALIZATION(n) \ 937227825Stheraventemplate <size_t _Len>\ 938227825Stheravenstruct _LIBCPP_VISIBLE aligned_storage<_Len, n>\ 939227825Stheraven{\ 940227825Stheraven struct _ALIGNAS(n) type\ 941227825Stheraven {\ 942242945Stheraven unsigned char __lx[_Len];\ 943227825Stheraven };\ 944227825Stheraven} 945227825Stheraven 946227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1); 947227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2); 948227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4); 949227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x8); 950227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x10); 951227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x20); 952227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x40); 953227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x80); 954227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x100); 955227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x200); 956227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x400); 957227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800); 958227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1000); 959227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2000); 960227825Stheraven// MSDN says that MSVC does not support alignment beyond 8192 (=0x2000) 961227825Stheraven#if !defined(_MSC_VER) 962227825Stheraven_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4000); 963227825Stheraven#endif // !_MSC_VER 964227825Stheraven 965227825Stheraven#undef _CREATE_ALIGNED_STORAGE_SPECIALIZATION 966227825Stheraven 967227825Stheraven// __promote 968227825Stheraven 969227825Stheraventemplate <class _A1, class _A2 = void, class _A3 = void, 970227825Stheraven bool = (is_arithmetic<_A1>::value || is_void<_A1>::value) && 971227825Stheraven (is_arithmetic<_A2>::value || is_void<_A2>::value) && 972227825Stheraven (is_arithmetic<_A3>::value || is_void<_A3>::value)> 973227825Stheravenclass __promote {}; 974227825Stheraven 975227825Stheraventemplate <class _A1, class _A2, class _A3> 976227825Stheravenclass __promote<_A1, _A2, _A3, true> 977227825Stheraven{ 978227825Stheravenprivate: 979227825Stheraven typedef typename __promote<_A1>::type __type1; 980227825Stheraven typedef typename __promote<_A2>::type __type2; 981227825Stheraven typedef typename __promote<_A3>::type __type3; 982227825Stheravenpublic: 983227825Stheraven typedef decltype(__type1() + __type2() + __type3()) type; 984227825Stheraven}; 985227825Stheraven 986227825Stheraventemplate <class _A1, class _A2> 987227825Stheravenclass __promote<_A1, _A2, void, true> 988227825Stheraven{ 989227825Stheravenprivate: 990227825Stheraven typedef typename __promote<_A1>::type __type1; 991227825Stheraven typedef typename __promote<_A2>::type __type2; 992227825Stheravenpublic: 993227825Stheraven typedef decltype(__type1() + __type2()) type; 994227825Stheraven}; 995227825Stheraven 996227825Stheraventemplate <class _A1> 997227825Stheravenclass __promote<_A1, void, void, true> 998227825Stheraven{ 999227825Stheravenpublic: 1000227825Stheraven typedef typename conditional<is_arithmetic<_A1>::value, 1001227825Stheraven typename conditional<is_integral<_A1>::value, double, _A1>::type, 1002227825Stheraven void 1003227825Stheraven >::type type; 1004227825Stheraven}; 1005227825Stheraven 1006227825Stheraven#ifdef _LIBCPP_STORE_AS_OPTIMIZATION 1007227825Stheraven 1008227825Stheraven// __transform 1009227825Stheraven 1010227825Stheraventemplate <class _Tp, size_t = sizeof(_Tp), bool = is_scalar<_Tp>::value> struct __transform {typedef _Tp type;}; 1011227825Stheraventemplate <class _Tp> struct __transform<_Tp, 1, true> {typedef unsigned char type;}; 1012227825Stheraventemplate <class _Tp> struct __transform<_Tp, 2, true> {typedef unsigned short type;}; 1013227825Stheraventemplate <class _Tp> struct __transform<_Tp, 4, true> {typedef unsigned int type;}; 1014227825Stheraventemplate <class _Tp> struct __transform<_Tp, 8, true> {typedef unsigned long long type;}; 1015227825Stheraven 1016227825Stheraven#endif // _LIBCPP_STORE_AS_OPTIMIZATION 1017227825Stheraven 1018227825Stheraven// make_signed / make_unsigned 1019227825Stheraven 1020227825Stheraventypedef 1021227825Stheraven __type_list<signed char, 1022227825Stheraven __type_list<signed short, 1023227825Stheraven __type_list<signed int, 1024227825Stheraven __type_list<signed long, 1025227825Stheraven __type_list<signed long long, 1026227825Stheraven __nat 1027227825Stheraven > > > > > __signed_types; 1028227825Stheraven 1029227825Stheraventypedef 1030227825Stheraven __type_list<unsigned char, 1031227825Stheraven __type_list<unsigned short, 1032227825Stheraven __type_list<unsigned int, 1033227825Stheraven __type_list<unsigned long, 1034227825Stheraven __type_list<unsigned long long, 1035227825Stheraven __nat 1036227825Stheraven > > > > > __unsigned_types; 1037227825Stheraven 1038227825Stheraventemplate <class _TypeList, size_t _Size, bool = _Size <= sizeof(typename _TypeList::_Head)> struct __find_first; 1039227825Stheraven 1040227825Stheraventemplate <class _Hp, class _Tp, size_t _Size> 1041227825Stheravenstruct __find_first<__type_list<_Hp, _Tp>, _Size, true> 1042227825Stheraven{ 1043227825Stheraven typedef _Hp type; 1044227825Stheraven}; 1045227825Stheraven 1046227825Stheraventemplate <class _Hp, class _Tp, size_t _Size> 1047227825Stheravenstruct __find_first<__type_list<_Hp, _Tp>, _Size, false> 1048227825Stheraven{ 1049227825Stheraven typedef typename __find_first<_Tp, _Size>::type type; 1050227825Stheraven}; 1051227825Stheraven 1052227825Stheraventemplate <class _Tp, class _Up, bool = is_const<typename remove_reference<_Tp>::type>::value, 1053227825Stheraven bool = is_volatile<typename remove_reference<_Tp>::type>::value> 1054227825Stheravenstruct __apply_cv 1055227825Stheraven{ 1056227825Stheraven typedef _Up type; 1057227825Stheraven}; 1058227825Stheraven 1059227825Stheraventemplate <class _Tp, class _Up> 1060227825Stheravenstruct __apply_cv<_Tp, _Up, true, false> 1061227825Stheraven{ 1062227825Stheraven typedef const _Up type; 1063227825Stheraven}; 1064227825Stheraven 1065227825Stheraventemplate <class _Tp, class _Up> 1066227825Stheravenstruct __apply_cv<_Tp, _Up, false, true> 1067227825Stheraven{ 1068227825Stheraven typedef volatile _Up type; 1069227825Stheraven}; 1070227825Stheraven 1071227825Stheraventemplate <class _Tp, class _Up> 1072227825Stheravenstruct __apply_cv<_Tp, _Up, true, true> 1073227825Stheraven{ 1074227825Stheraven typedef const volatile _Up type; 1075227825Stheraven}; 1076227825Stheraven 1077227825Stheraventemplate <class _Tp, class _Up> 1078227825Stheravenstruct __apply_cv<_Tp&, _Up, false, false> 1079227825Stheraven{ 1080227825Stheraven typedef _Up& type; 1081227825Stheraven}; 1082227825Stheraven 1083227825Stheraventemplate <class _Tp, class _Up> 1084227825Stheravenstruct __apply_cv<_Tp&, _Up, true, false> 1085227825Stheraven{ 1086227825Stheraven typedef const _Up& type; 1087227825Stheraven}; 1088227825Stheraven 1089227825Stheraventemplate <class _Tp, class _Up> 1090227825Stheravenstruct __apply_cv<_Tp&, _Up, false, true> 1091227825Stheraven{ 1092227825Stheraven typedef volatile _Up& type; 1093227825Stheraven}; 1094227825Stheraven 1095227825Stheraventemplate <class _Tp, class _Up> 1096227825Stheravenstruct __apply_cv<_Tp&, _Up, true, true> 1097227825Stheraven{ 1098227825Stheraven typedef const volatile _Up& type; 1099227825Stheraven}; 1100227825Stheraven 1101227825Stheraventemplate <class _Tp, bool = is_integral<_Tp>::value || is_enum<_Tp>::value> 1102227825Stheravenstruct __make_signed {}; 1103227825Stheraven 1104227825Stheraventemplate <class _Tp> 1105227825Stheravenstruct __make_signed<_Tp, true> 1106227825Stheraven{ 1107227825Stheraven typedef typename __find_first<__signed_types, sizeof(_Tp)>::type type; 1108227825Stheraven}; 1109227825Stheraven 1110227825Stheraventemplate <> struct __make_signed<bool, true> {}; 1111227825Stheraventemplate <> struct __make_signed< signed short, true> {typedef short type;}; 1112227825Stheraventemplate <> struct __make_signed<unsigned short, true> {typedef short type;}; 1113227825Stheraventemplate <> struct __make_signed< signed int, true> {typedef int type;}; 1114227825Stheraventemplate <> struct __make_signed<unsigned int, true> {typedef int type;}; 1115227825Stheraventemplate <> struct __make_signed< signed long, true> {typedef long type;}; 1116227825Stheraventemplate <> struct __make_signed<unsigned long, true> {typedef long type;}; 1117227825Stheraventemplate <> struct __make_signed< signed long long, true> {typedef long long type;}; 1118227825Stheraventemplate <> struct __make_signed<unsigned long long, true> {typedef long long type;}; 1119227825Stheraven 1120227825Stheraventemplate <class _Tp> 1121227825Stheravenstruct _LIBCPP_VISIBLE make_signed 1122227825Stheraven{ 1123227825Stheraven typedef typename __apply_cv<_Tp, typename __make_signed<typename remove_cv<_Tp>::type>::type>::type type; 1124227825Stheraven}; 1125227825Stheraven 1126227825Stheraventemplate <class _Tp, bool = is_integral<_Tp>::value || is_enum<_Tp>::value> 1127227825Stheravenstruct __make_unsigned {}; 1128227825Stheraven 1129227825Stheraventemplate <class _Tp> 1130227825Stheravenstruct __make_unsigned<_Tp, true> 1131227825Stheraven{ 1132227825Stheraven typedef typename __find_first<__unsigned_types, sizeof(_Tp)>::type type; 1133227825Stheraven}; 1134227825Stheraven 1135227825Stheraventemplate <> struct __make_unsigned<bool, true> {}; 1136227825Stheraventemplate <> struct __make_unsigned< signed short, true> {typedef unsigned short type;}; 1137227825Stheraventemplate <> struct __make_unsigned<unsigned short, true> {typedef unsigned short type;}; 1138227825Stheraventemplate <> struct __make_unsigned< signed int, true> {typedef unsigned int type;}; 1139227825Stheraventemplate <> struct __make_unsigned<unsigned int, true> {typedef unsigned int type;}; 1140227825Stheraventemplate <> struct __make_unsigned< signed long, true> {typedef unsigned long type;}; 1141227825Stheraventemplate <> struct __make_unsigned<unsigned long, true> {typedef unsigned long type;}; 1142227825Stheraventemplate <> struct __make_unsigned< signed long long, true> {typedef unsigned long long type;}; 1143227825Stheraventemplate <> struct __make_unsigned<unsigned long long, true> {typedef unsigned long long type;}; 1144227825Stheraven 1145227825Stheraventemplate <class _Tp> 1146227825Stheravenstruct _LIBCPP_VISIBLE make_unsigned 1147227825Stheraven{ 1148227825Stheraven typedef typename __apply_cv<_Tp, typename __make_unsigned<typename remove_cv<_Tp>::type>::type>::type type; 1149227825Stheraven}; 1150227825Stheraven 1151227825Stheraven#ifdef _LIBCPP_HAS_NO_VARIADICS 1152227825Stheraven 1153227825Stheraventemplate <class _Tp, class _Up = void, class V = void> 1154227825Stheravenstruct _LIBCPP_VISIBLE common_type 1155227825Stheraven{ 1156227825Stheravenpublic: 1157227825Stheraven typedef typename common_type<typename common_type<_Tp, _Up>::type, V>::type type; 1158227825Stheraven}; 1159227825Stheraven 1160227825Stheraventemplate <class _Tp> 1161227825Stheravenstruct _LIBCPP_VISIBLE common_type<_Tp, void, void> 1162227825Stheraven{ 1163227825Stheravenpublic: 1164227825Stheraven typedef _Tp type; 1165227825Stheraven}; 1166227825Stheraven 1167227825Stheraventemplate <class _Tp, class _Up> 1168227825Stheravenstruct _LIBCPP_VISIBLE common_type<_Tp, _Up, void> 1169227825Stheraven{ 1170227825Stheravenprivate: 1171227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1172227825Stheraven static _Tp&& __t(); 1173227825Stheraven static _Up&& __u(); 1174227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1175227825Stheraven static _Tp __t(); 1176227825Stheraven static _Up __u(); 1177227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1178227825Stheravenpublic: 1179232950Stheraven typedef typename remove_reference<decltype(true ? __t() : __u())>::type type; 1180227825Stheraven}; 1181227825Stheraven 1182227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1183227825Stheraven 1184227825Stheraventemplate <class ..._Tp> struct common_type; 1185227825Stheraven 1186227825Stheraventemplate <class _Tp> 1187227825Stheravenstruct _LIBCPP_VISIBLE common_type<_Tp> 1188227825Stheraven{ 1189227825Stheraven typedef _Tp type; 1190227825Stheraven}; 1191227825Stheraven 1192227825Stheraventemplate <class _Tp, class _Up> 1193227825Stheravenstruct _LIBCPP_VISIBLE common_type<_Tp, _Up> 1194227825Stheraven{ 1195227825Stheravenprivate: 1196227825Stheraven static _Tp&& __t(); 1197227825Stheraven static _Up&& __u(); 1198227825Stheraven static bool __f(); 1199227825Stheravenpublic: 1200232950Stheraven typedef typename remove_reference<decltype(__f() ? __t() : __u())>::type type; 1201227825Stheraven}; 1202227825Stheraven 1203227825Stheraventemplate <class _Tp, class _Up, class ..._Vp> 1204227825Stheravenstruct _LIBCPP_VISIBLE common_type<_Tp, _Up, _Vp...> 1205227825Stheraven{ 1206227825Stheraven typedef typename common_type<typename common_type<_Tp, _Up>::type, _Vp...>::type type; 1207227825Stheraven}; 1208227825Stheraven 1209227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1210227825Stheraven 1211227825Stheraven// is_assignable 1212227825Stheraven 1213227825Stheraventemplate <class _Tp, class _Arg> 1214227825Stheravendecltype((_VSTD::declval<_Tp>() = _VSTD::declval<_Arg>(), true_type())) 1215227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1216227825Stheraven__is_assignable_test(_Tp&&, _Arg&&); 1217227825Stheraven#else 1218227825Stheraven__is_assignable_test(_Tp, _Arg&); 1219227825Stheraven#endif 1220227825Stheraven 1221227825Stheraventemplate <class _Arg> 1222227825Stheravenfalse_type 1223227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1224227825Stheraven__is_assignable_test(__any, _Arg&&); 1225227825Stheraven#else 1226227825Stheraven__is_assignable_test(__any, _Arg&); 1227227825Stheraven#endif 1228227825Stheraven 1229227825Stheraventemplate <class _Tp, class _Arg, bool = is_void<_Tp>::value || is_void<_Arg>::value> 1230227825Stheravenstruct __is_assignable_imp 1231227825Stheraven : public common_type 1232227825Stheraven < 1233227825Stheraven decltype(__is_assignable_test(declval<_Tp>(), declval<_Arg>())) 1234227825Stheraven >::type {}; 1235227825Stheraven 1236227825Stheraventemplate <class _Tp, class _Arg> 1237227825Stheravenstruct __is_assignable_imp<_Tp, _Arg, true> 1238227825Stheraven : public false_type 1239227825Stheraven{ 1240227825Stheraven}; 1241227825Stheraven 1242227825Stheraventemplate <class _Tp, class _Arg> 1243227825Stheravenstruct is_assignable 1244227825Stheraven : public __is_assignable_imp<_Tp, _Arg> {}; 1245227825Stheraven 1246227825Stheraven// is_copy_assignable 1247227825Stheraven 1248227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_copy_assignable 1249227825Stheraven : public is_assignable<typename add_lvalue_reference<_Tp>::type, 1250227825Stheraven const typename add_lvalue_reference<_Tp>::type> {}; 1251227825Stheraven 1252227825Stheraven// is_move_assignable 1253227825Stheraven 1254227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_move_assignable 1255227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1256227825Stheraven : public is_assignable<typename add_lvalue_reference<_Tp>::type, 1257227825Stheraven const typename add_rvalue_reference<_Tp>::type> {}; 1258227825Stheraven#else 1259227825Stheraven : public is_copy_assignable<_Tp> {}; 1260227825Stheraven#endif 1261227825Stheraven 1262227825Stheraven// is_destructible 1263227825Stheraven 1264227825Stheraventemplate <class _Tp> 1265227825Stheravenstruct __destructible_test 1266227825Stheraven{ 1267227825Stheraven _Tp __t; 1268227825Stheraven}; 1269227825Stheraven 1270227825Stheraventemplate <class _Tp> 1271227825Stheravendecltype((_VSTD::declval<__destructible_test<_Tp> >().~__destructible_test<_Tp>(), true_type())) 1272227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1273227825Stheraven__is_destructible_test(_Tp&&); 1274227825Stheraven#else 1275227825Stheraven__is_destructible_test(_Tp&); 1276227825Stheraven#endif 1277227825Stheraven 1278227825Stheravenfalse_type 1279227825Stheraven__is_destructible_test(__any); 1280227825Stheraven 1281227825Stheraventemplate <class _Tp, bool = is_void<_Tp>::value || is_abstract<_Tp>::value> 1282227825Stheravenstruct __destructible_imp 1283227825Stheraven : public common_type 1284227825Stheraven < 1285227825Stheraven decltype(__is_destructible_test(declval<_Tp>())) 1286227825Stheraven >::type {}; 1287227825Stheraven 1288227825Stheraventemplate <class _Tp> 1289227825Stheravenstruct __destructible_imp<_Tp, true> 1290227825Stheraven : public false_type {}; 1291227825Stheraven 1292227825Stheraventemplate <class _Tp> 1293227825Stheravenstruct is_destructible 1294227825Stheraven : public __destructible_imp<_Tp> {}; 1295227825Stheraven 1296227825Stheraven// move 1297227825Stheraven 1298227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1299227825Stheraven 1300227825Stheraventemplate <class _Tp> 1301227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1302227825Stheraventypename remove_reference<_Tp>::type&& 1303227825Stheravenmove(_Tp&& __t) _NOEXCEPT 1304227825Stheraven{ 1305227825Stheraven typedef typename remove_reference<_Tp>::type _Up; 1306227825Stheraven return static_cast<_Up&&>(__t); 1307227825Stheraven} 1308227825Stheraven 1309227825Stheraventemplate <class _Tp> 1310227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1311227825Stheraven_Tp&& 1312227825Stheravenforward(typename std::remove_reference<_Tp>::type& __t) _NOEXCEPT 1313227825Stheraven{ 1314227825Stheraven return static_cast<_Tp&&>(__t); 1315227825Stheraven} 1316227825Stheraven 1317227825Stheraventemplate <class _Tp> 1318227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1319227825Stheraven_Tp&& 1320227825Stheravenforward(typename std::remove_reference<_Tp>::type&& __t) _NOEXCEPT 1321227825Stheraven{ 1322227825Stheraven static_assert(!std::is_lvalue_reference<_Tp>::value, 1323227825Stheraven "Can not forward an rvalue as an lvalue."); 1324227825Stheraven return static_cast<_Tp&&>(__t); 1325227825Stheraven} 1326227825Stheraven 1327227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1328227825Stheraven 1329227825Stheraventemplate <class _Tp> 1330227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1331234976Stheraven_Tp& 1332227825Stheravenmove(_Tp& __t) 1333227825Stheraven{ 1334227825Stheraven return __t; 1335227825Stheraven} 1336227825Stheraven 1337227825Stheraventemplate <class _Tp> 1338227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1339234976Stheravenconst _Tp& 1340232950Stheravenmove(const _Tp& __t) 1341232950Stheraven{ 1342232950Stheraven return __t; 1343232950Stheraven} 1344232950Stheraven 1345232950Stheraventemplate <class _Tp> 1346232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 1347234976Stheraven_Tp& 1348234976Stheravenforward(typename std::remove_reference<_Tp>::type& __t) _NOEXCEPT 1349227825Stheraven{ 1350227825Stheraven return __t; 1351227825Stheraven} 1352227825Stheraven 1353227825Stheraven 1354234976Stheraventemplate <class _Tp> 1355234976Stheravenclass __rv 1356227825Stheraven{ 1357234976Stheraven typedef typename remove_reference<_Tp>::type _Trr; 1358234976Stheraven _Trr& t_; 1359234976Stheravenpublic: 1360234976Stheraven _LIBCPP_INLINE_VISIBILITY 1361234976Stheraven _Trr* operator->() {return &t_;} 1362234976Stheraven _LIBCPP_INLINE_VISIBILITY 1363234976Stheraven explicit __rv(_Trr& __t) : t_(__t) {} 1364234976Stheraven}; 1365227825Stheraven 1366227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1367227825Stheraven 1368227825Stheraventemplate <class _Tp> 1369227825Stheravenstruct _LIBCPP_VISIBLE decay 1370227825Stheraven{ 1371227825Stheravenprivate: 1372227825Stheraven typedef typename remove_reference<_Tp>::type _Up; 1373227825Stheravenpublic: 1374227825Stheraven typedef typename conditional 1375227825Stheraven < 1376227825Stheraven is_array<_Up>::value, 1377227825Stheraven typename remove_extent<_Up>::type*, 1378227825Stheraven typename conditional 1379227825Stheraven < 1380227825Stheraven is_function<_Up>::value, 1381227825Stheraven typename add_pointer<_Up>::type, 1382227825Stheraven typename remove_cv<_Up>::type 1383227825Stheraven >::type 1384227825Stheraven >::type type; 1385227825Stheraven}; 1386227825Stheraven 1387227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1388227825Stheraven 1389227825Stheraventemplate <class _Tp> 1390227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1391227825Stheraventypename decay<_Tp>::type 1392227825Stheraven__decay_copy(_Tp&& __t) 1393227825Stheraven{ 1394227825Stheraven return _VSTD::forward<_Tp>(__t); 1395227825Stheraven} 1396227825Stheraven 1397227825Stheraven#else 1398227825Stheraven 1399227825Stheraventemplate <class _Tp> 1400227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1401227825Stheraventypename decay<_Tp>::type 1402227825Stheraven__decay_copy(const _Tp& __t) 1403227825Stheraven{ 1404227825Stheraven return _VSTD::forward<_Tp>(__t); 1405227825Stheraven} 1406227825Stheraven 1407227825Stheraven#endif 1408227825Stheraven 1409227825Stheraventemplate <class _MP, bool _IsMemberFuctionPtr, bool _IsMemberObjectPtr> 1410227825Stheravenstruct __member_pointer_traits_imp 1411227825Stheraven{ 1412227825Stheraven}; 1413227825Stheraven 1414227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1415227825Stheraven 1416232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1417232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...), true, false> 1418227825Stheraven{ 1419227825Stheraven typedef _Class _ClassType; 1420232950Stheraven typedef _Rp _ReturnType; 1421227825Stheraven}; 1422227825Stheraven 1423232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1424232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const, true, false> 1425227825Stheraven{ 1426227825Stheraven typedef _Class const _ClassType; 1427232950Stheraven typedef _Rp _ReturnType; 1428227825Stheraven}; 1429227825Stheraven 1430232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1431232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile, true, false> 1432227825Stheraven{ 1433227825Stheraven typedef _Class volatile _ClassType; 1434232950Stheraven typedef _Rp _ReturnType; 1435227825Stheraven}; 1436227825Stheraven 1437232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1438232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile, true, false> 1439227825Stheraven{ 1440227825Stheraven typedef _Class const volatile _ClassType; 1441232950Stheraven typedef _Rp _ReturnType; 1442227825Stheraven}; 1443227825Stheraven 1444227825Stheraven#if __has_feature(cxx_reference_qualified_functions) 1445227825Stheraven 1446232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1447232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &, true, false> 1448227825Stheraven{ 1449227825Stheraven typedef _Class& _ClassType; 1450232950Stheraven typedef _Rp _ReturnType; 1451227825Stheraven}; 1452227825Stheraven 1453232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1454232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const&, true, false> 1455227825Stheraven{ 1456227825Stheraven typedef _Class const& _ClassType; 1457232950Stheraven typedef _Rp _ReturnType; 1458227825Stheraven}; 1459227825Stheraven 1460232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1461232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile&, true, false> 1462227825Stheraven{ 1463227825Stheraven typedef _Class volatile& _ClassType; 1464232950Stheraven typedef _Rp _ReturnType; 1465227825Stheraven}; 1466227825Stheraven 1467232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1468232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile&, true, false> 1469227825Stheraven{ 1470227825Stheraven typedef _Class const volatile& _ClassType; 1471232950Stheraven typedef _Rp _ReturnType; 1472227825Stheraven}; 1473227825Stheraven 1474232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1475232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &&, true, false> 1476227825Stheraven{ 1477227825Stheraven typedef _Class&& _ClassType; 1478232950Stheraven typedef _Rp _ReturnType; 1479227825Stheraven}; 1480227825Stheraven 1481232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1482232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const&&, true, false> 1483227825Stheraven{ 1484227825Stheraven typedef _Class const&& _ClassType; 1485232950Stheraven typedef _Rp _ReturnType; 1486227825Stheraven}; 1487227825Stheraven 1488232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1489232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) volatile&&, true, false> 1490227825Stheraven{ 1491227825Stheraven typedef _Class volatile&& _ClassType; 1492232950Stheraven typedef _Rp _ReturnType; 1493227825Stheraven}; 1494227825Stheraven 1495232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 1496232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) const volatile&&, true, false> 1497227825Stheraven{ 1498227825Stheraven typedef _Class const volatile&& _ClassType; 1499232950Stheraven typedef _Rp _ReturnType; 1500227825Stheraven}; 1501227825Stheraven 1502227825Stheraven#endif // __has_feature(cxx_reference_qualified_functions) 1503227825Stheraven 1504227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1505227825Stheraven 1506232950Stheraventemplate <class _Rp, class _Class> 1507232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(), true, false> 1508227825Stheraven{ 1509227825Stheraven typedef _Class _ClassType; 1510232950Stheraven typedef _Rp _ReturnType; 1511227825Stheraven}; 1512227825Stheraven 1513232950Stheraventemplate <class _Rp, class _Class, class _P0> 1514232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0), true, false> 1515227825Stheraven{ 1516227825Stheraven typedef _Class _ClassType; 1517232950Stheraven typedef _Rp _ReturnType; 1518227825Stheraven}; 1519227825Stheraven 1520232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1> 1521232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1), true, false> 1522227825Stheraven{ 1523227825Stheraven typedef _Class _ClassType; 1524232950Stheraven typedef _Rp _ReturnType; 1525227825Stheraven}; 1526227825Stheraven 1527232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1, class _P2> 1528232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2), true, false> 1529227825Stheraven{ 1530227825Stheraven typedef _Class _ClassType; 1531232950Stheraven typedef _Rp _ReturnType; 1532227825Stheraven}; 1533227825Stheraven 1534232950Stheraventemplate <class _Rp, class _Class> 1535232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)() const, true, false> 1536227825Stheraven{ 1537227825Stheraven typedef _Class const _ClassType; 1538232950Stheraven typedef _Rp _ReturnType; 1539227825Stheraven}; 1540227825Stheraven 1541232950Stheraventemplate <class _Rp, class _Class, class _P0> 1542232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) const, true, false> 1543227825Stheraven{ 1544227825Stheraven typedef _Class const _ClassType; 1545232950Stheraven typedef _Rp _ReturnType; 1546227825Stheraven}; 1547227825Stheraven 1548232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1> 1549232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) const, true, false> 1550227825Stheraven{ 1551227825Stheraven typedef _Class const _ClassType; 1552232950Stheraven typedef _Rp _ReturnType; 1553227825Stheraven}; 1554227825Stheraven 1555232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1, class _P2> 1556232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) const, true, false> 1557227825Stheraven{ 1558227825Stheraven typedef _Class const _ClassType; 1559232950Stheraven typedef _Rp _ReturnType; 1560227825Stheraven}; 1561227825Stheraven 1562232950Stheraventemplate <class _Rp, class _Class> 1563232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)() volatile, true, false> 1564227825Stheraven{ 1565227825Stheraven typedef _Class volatile _ClassType; 1566232950Stheraven typedef _Rp _ReturnType; 1567227825Stheraven}; 1568227825Stheraven 1569232950Stheraventemplate <class _Rp, class _Class, class _P0> 1570232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) volatile, true, false> 1571227825Stheraven{ 1572227825Stheraven typedef _Class volatile _ClassType; 1573232950Stheraven typedef _Rp _ReturnType; 1574227825Stheraven}; 1575227825Stheraven 1576232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1> 1577232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) volatile, true, false> 1578227825Stheraven{ 1579227825Stheraven typedef _Class volatile _ClassType; 1580232950Stheraven typedef _Rp _ReturnType; 1581227825Stheraven}; 1582227825Stheraven 1583232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1, class _P2> 1584232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) volatile, true, false> 1585227825Stheraven{ 1586227825Stheraven typedef _Class volatile _ClassType; 1587232950Stheraven typedef _Rp _ReturnType; 1588227825Stheraven}; 1589227825Stheraven 1590232950Stheraventemplate <class _Rp, class _Class> 1591232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)() const volatile, true, false> 1592227825Stheraven{ 1593227825Stheraven typedef _Class const volatile _ClassType; 1594232950Stheraven typedef _Rp _ReturnType; 1595227825Stheraven}; 1596227825Stheraven 1597232950Stheraventemplate <class _Rp, class _Class, class _P0> 1598232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0) const volatile, true, false> 1599227825Stheraven{ 1600227825Stheraven typedef _Class const volatile _ClassType; 1601232950Stheraven typedef _Rp _ReturnType; 1602227825Stheraven}; 1603227825Stheraven 1604232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1> 1605232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1) const volatile, true, false> 1606227825Stheraven{ 1607227825Stheraven typedef _Class const volatile _ClassType; 1608232950Stheraven typedef _Rp _ReturnType; 1609227825Stheraven}; 1610227825Stheraven 1611232950Stheraventemplate <class _Rp, class _Class, class _P0, class _P1, class _P2> 1612232950Stheravenstruct __member_pointer_traits_imp<_Rp (_Class::*)(_P0, _P1, _P2) const volatile, true, false> 1613227825Stheraven{ 1614227825Stheraven typedef _Class const volatile _ClassType; 1615232950Stheraven typedef _Rp _ReturnType; 1616227825Stheraven}; 1617227825Stheraven 1618227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1619227825Stheraven 1620232950Stheraventemplate <class _Rp, class _Class> 1621232950Stheravenstruct __member_pointer_traits_imp<_Rp _Class::*, false, true> 1622227825Stheraven{ 1623227825Stheraven typedef _Class _ClassType; 1624232950Stheraven typedef _Rp _ReturnType; 1625227825Stheraven}; 1626227825Stheraven 1627227825Stheraventemplate <class _MP> 1628227825Stheravenstruct __member_pointer_traits 1629227825Stheraven : public __member_pointer_traits_imp<_MP, 1630227825Stheraven is_member_function_pointer<_MP>::value, 1631227825Stheraven is_member_object_pointer<_MP>::value> 1632227825Stheraven{ 1633227825Stheraven// typedef ... _ClassType; 1634227825Stheraven// typedef ... _ReturnType; 1635227825Stheraven}; 1636227825Stheraven 1637227825Stheraven// result_of 1638227825Stheraven 1639227825Stheraventemplate <class _Callable> class result_of; 1640227825Stheraven 1641241903Sdim#ifdef _LIBCPP_HAS_NO_VARIADICS 1642241903Sdim 1643227825Stheraventemplate <class _Fn, bool, bool> 1644227825Stheravenclass __result_of 1645227825Stheraven{ 1646227825Stheraven}; 1647227825Stheraven 1648227825Stheraventemplate <class _Fn> 1649227825Stheravenclass __result_of<_Fn(), true, false> 1650227825Stheraven{ 1651227825Stheravenpublic: 1652227825Stheraven typedef decltype(declval<_Fn>()()) type; 1653227825Stheraven}; 1654227825Stheraven 1655227825Stheraventemplate <class _Fn, class _A0> 1656227825Stheravenclass __result_of<_Fn(_A0), true, false> 1657227825Stheraven{ 1658227825Stheravenpublic: 1659227825Stheraven typedef decltype(declval<_Fn>()(declval<_A0>())) type; 1660227825Stheraven}; 1661227825Stheraven 1662227825Stheraventemplate <class _Fn, class _A0, class _A1> 1663227825Stheravenclass __result_of<_Fn(_A0, _A1), true, false> 1664227825Stheraven{ 1665227825Stheravenpublic: 1666227825Stheraven typedef decltype(declval<_Fn>()(declval<_A0>(), declval<_A1>())) type; 1667227825Stheraven}; 1668227825Stheraven 1669227825Stheraventemplate <class _Fn, class _A0, class _A1, class _A2> 1670227825Stheravenclass __result_of<_Fn(_A0, _A1, _A2), true, false> 1671227825Stheraven{ 1672227825Stheravenpublic: 1673227825Stheraven typedef decltype(declval<_Fn>()(declval<_A0>(), declval<_A1>(), declval<_A2>())) type; 1674227825Stheraven}; 1675227825Stheraven 1676227825Stheraventemplate <class _MP, class _Tp, bool _IsMemberFunctionPtr> 1677227825Stheravenstruct __result_of_mp; 1678227825Stheraven 1679227825Stheraven// member function pointer 1680227825Stheraven 1681227825Stheraventemplate <class _MP, class _Tp> 1682227825Stheravenstruct __result_of_mp<_MP, _Tp, true> 1683227825Stheraven : public common_type<typename __member_pointer_traits<_MP>::_ReturnType> 1684227825Stheraven{ 1685227825Stheraven}; 1686227825Stheraven 1687227825Stheraven// member data pointer 1688227825Stheraven 1689227825Stheraventemplate <class _MP, class _Tp, bool> 1690227825Stheravenstruct __result_of_mdp; 1691227825Stheraven 1692232950Stheraventemplate <class _Rp, class _Class, class _Tp> 1693232950Stheravenstruct __result_of_mdp<_Rp _Class::*, _Tp, false> 1694227825Stheraven{ 1695232950Stheraven typedef typename __apply_cv<decltype(*_VSTD::declval<_Tp>()), _Rp>::type& type; 1696227825Stheraven}; 1697227825Stheraven 1698232950Stheraventemplate <class _Rp, class _Class, class _Tp> 1699232950Stheravenstruct __result_of_mdp<_Rp _Class::*, _Tp, true> 1700227825Stheraven{ 1701232950Stheraven typedef typename __apply_cv<_Tp, _Rp>::type& type; 1702227825Stheraven}; 1703227825Stheraven 1704232950Stheraventemplate <class _Rp, class _Class, class _Tp> 1705232950Stheravenstruct __result_of_mp<_Rp _Class::*, _Tp, false> 1706232950Stheraven : public __result_of_mdp<_Rp _Class::*, _Tp, 1707227825Stheraven is_base_of<_Class, typename remove_reference<_Tp>::type>::value> 1708227825Stheraven{ 1709227825Stheraven}; 1710227825Stheraven 1711227825Stheraven 1712227825Stheraven 1713227825Stheraventemplate <class _Fn, class _Tp> 1714227825Stheravenclass __result_of<_Fn(_Tp), false, true> // _Fn must be member pointer 1715227825Stheraven : public __result_of_mp<typename remove_reference<_Fn>::type, 1716227825Stheraven _Tp, 1717227825Stheraven is_member_function_pointer<typename remove_reference<_Fn>::type>::value> 1718227825Stheraven{ 1719227825Stheraven}; 1720227825Stheraven 1721227825Stheraventemplate <class _Fn, class _Tp, class _A0> 1722227825Stheravenclass __result_of<_Fn(_Tp, _A0), false, true> // _Fn must be member pointer 1723227825Stheraven : public __result_of_mp<typename remove_reference<_Fn>::type, 1724227825Stheraven _Tp, 1725227825Stheraven is_member_function_pointer<typename remove_reference<_Fn>::type>::value> 1726227825Stheraven{ 1727227825Stheraven}; 1728227825Stheraven 1729227825Stheraventemplate <class _Fn, class _Tp, class _A0, class _A1> 1730227825Stheravenclass __result_of<_Fn(_Tp, _A0, _A1), false, true> // _Fn must be member pointer 1731227825Stheraven : public __result_of_mp<typename remove_reference<_Fn>::type, 1732227825Stheraven _Tp, 1733227825Stheraven is_member_function_pointer<typename remove_reference<_Fn>::type>::value> 1734227825Stheraven{ 1735227825Stheraven}; 1736227825Stheraven 1737227825Stheraventemplate <class _Fn, class _Tp, class _A0, class _A1, class _A2> 1738227825Stheravenclass __result_of<_Fn(_Tp, _A0, _A1, _A2), false, true> // _Fn must be member pointer 1739227825Stheraven : public __result_of_mp<typename remove_reference<_Fn>::type, 1740227825Stheraven _Tp, 1741227825Stheraven is_member_function_pointer<typename remove_reference<_Fn>::type>::value> 1742227825Stheraven{ 1743227825Stheraven}; 1744227825Stheraven 1745227825Stheraven// result_of 1746227825Stheraven 1747227825Stheraventemplate <class _Fn> 1748227825Stheravenclass _LIBCPP_VISIBLE result_of<_Fn()> 1749227825Stheraven : public __result_of<_Fn(), 1750227825Stheraven is_class<typename remove_reference<_Fn>::type>::value || 1751227825Stheraven is_function<typename remove_reference<_Fn>::type>::value, 1752227825Stheraven is_member_pointer<typename remove_reference<_Fn>::type>::value 1753227825Stheraven > 1754227825Stheraven{ 1755227825Stheraven}; 1756227825Stheraven 1757227825Stheraventemplate <class _Fn, class _A0> 1758227825Stheravenclass _LIBCPP_VISIBLE result_of<_Fn(_A0)> 1759227825Stheraven : public __result_of<_Fn(_A0), 1760227825Stheraven is_class<typename remove_reference<_Fn>::type>::value || 1761227825Stheraven is_function<typename remove_reference<_Fn>::type>::value, 1762227825Stheraven is_member_pointer<typename remove_reference<_Fn>::type>::value 1763227825Stheraven > 1764227825Stheraven{ 1765227825Stheraven}; 1766227825Stheraven 1767227825Stheraventemplate <class _Fn, class _A0, class _A1> 1768227825Stheravenclass _LIBCPP_VISIBLE result_of<_Fn(_A0, _A1)> 1769227825Stheraven : public __result_of<_Fn(_A0, _A1), 1770227825Stheraven is_class<typename remove_reference<_Fn>::type>::value || 1771227825Stheraven is_function<typename remove_reference<_Fn>::type>::value, 1772227825Stheraven is_member_pointer<typename remove_reference<_Fn>::type>::value 1773227825Stheraven > 1774227825Stheraven{ 1775227825Stheraven}; 1776227825Stheraven 1777227825Stheraventemplate <class _Fn, class _A0, class _A1, class _A2> 1778227825Stheravenclass _LIBCPP_VISIBLE result_of<_Fn(_A0, _A1, _A2)> 1779227825Stheraven : public __result_of<_Fn(_A0, _A1, _A2), 1780227825Stheraven is_class<typename remove_reference<_Fn>::type>::value || 1781227825Stheraven is_function<typename remove_reference<_Fn>::type>::value, 1782227825Stheraven is_member_pointer<typename remove_reference<_Fn>::type>::value 1783227825Stheraven > 1784227825Stheraven{ 1785227825Stheraven}; 1786227825Stheraven 1787227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1788227825Stheraven 1789227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1790227825Stheraven 1791227825Stheraven// template <class T, class... Args> struct is_constructible; 1792227825Stheraven 1793227825Stheraven// main is_constructible test 1794227825Stheraven 1795242945Stheraventemplate<typename, typename T> struct __select_2nd { typedef T type; }; 1796242945Stheraven 1797227825Stheraventemplate <class _Tp, class ..._Args> 1798242945Stheraventypename __select_2nd<decltype(_VSTD::move(_Tp(_VSTD::declval<_Args>()...))), true_type>::type 1799227825Stheraven__is_constructible_test(_Tp&&, _Args&& ...); 1800227825Stheraven 1801227825Stheraventemplate <class ..._Args> 1802227825Stheravenfalse_type 1803227825Stheraven__is_constructible_test(__any, _Args&& ...); 1804227825Stheraven 1805227825Stheraventemplate <bool, class _Tp, class... _Args> 1806227825Stheravenstruct __is_constructible // false, _Tp is not a scalar 1807227825Stheraven : public common_type 1808227825Stheraven < 1809227825Stheraven decltype(__is_constructible_test(declval<_Tp>(), declval<_Args>()...)) 1810227825Stheraven >::type 1811227825Stheraven {}; 1812227825Stheraven 1813227825Stheraven// function types are not constructible 1814227825Stheraven 1815232950Stheraventemplate <class _Rp, class... _A1, class... _A2> 1816232950Stheravenstruct __is_constructible<false, _Rp(_A1...), _A2...> 1817227825Stheraven : public false_type 1818227825Stheraven {}; 1819227825Stheraven 1820227825Stheraven// handle scalars and reference types 1821227825Stheraven 1822227825Stheraven// Scalars are default constructible, references are not 1823227825Stheraven 1824227825Stheraventemplate <class _Tp> 1825227825Stheravenstruct __is_constructible<true, _Tp> 1826227825Stheraven : public is_scalar<_Tp> 1827227825Stheraven {}; 1828227825Stheraven 1829227825Stheraven// Scalars and references are constructible from one arg if that arg is 1830227825Stheraven// implicitly convertible to the scalar or reference. 1831227825Stheraven 1832227825Stheraventemplate <class _Tp> 1833227825Stheravenstruct __is_constructible_ref 1834227825Stheraven{ 1835242945Stheraven true_type static __lxx(_Tp); 1836242945Stheraven false_type static __lxx(...); 1837227825Stheraven}; 1838227825Stheraven 1839227825Stheraventemplate <class _Tp, class _A0> 1840227825Stheravenstruct __is_constructible<true, _Tp, _A0> 1841227825Stheraven : public common_type 1842227825Stheraven < 1843242945Stheraven decltype(__is_constructible_ref<_Tp>::__lxx(declval<_A0>())) 1844227825Stheraven >::type 1845227825Stheraven {}; 1846227825Stheraven 1847227825Stheraven// Scalars and references are not constructible from multiple args. 1848227825Stheraven 1849227825Stheraventemplate <class _Tp, class _A0, class ..._Args> 1850227825Stheravenstruct __is_constructible<true, _Tp, _A0, _Args...> 1851227825Stheraven : public false_type 1852227825Stheraven {}; 1853227825Stheraven 1854227825Stheraven// Treat scalars and reference types separately 1855227825Stheraven 1856227825Stheraventemplate <bool, class _Tp, class... _Args> 1857227825Stheravenstruct __is_constructible_void_check 1858227825Stheraven : public __is_constructible<is_scalar<_Tp>::value || is_reference<_Tp>::value, 1859227825Stheraven _Tp, _Args...> 1860227825Stheraven {}; 1861227825Stheraven 1862227825Stheraven// If any of T or Args is void, is_constructible should be false 1863227825Stheraven 1864227825Stheraventemplate <class _Tp, class... _Args> 1865227825Stheravenstruct __is_constructible_void_check<true, _Tp, _Args...> 1866227825Stheraven : public false_type 1867227825Stheraven {}; 1868227825Stheraven 1869227825Stheraventemplate <class ..._Args> struct __contains_void; 1870227825Stheraven 1871227825Stheraventemplate <> struct __contains_void<> : false_type {}; 1872227825Stheraven 1873227825Stheraventemplate <class _A0, class ..._Args> 1874227825Stheravenstruct __contains_void<_A0, _Args...> 1875227825Stheraven{ 1876227825Stheraven static const bool value = is_void<_A0>::value || 1877227825Stheraven __contains_void<_Args...>::value; 1878227825Stheraven}; 1879227825Stheraven 1880227825Stheraven// is_constructible entry point 1881227825Stheraven 1882227825Stheraventemplate <class _Tp, class... _Args> 1883227825Stheravenstruct _LIBCPP_VISIBLE is_constructible 1884227825Stheraven : public __is_constructible_void_check<__contains_void<_Tp, _Args...>::value 1885227825Stheraven || is_abstract<_Tp>::value, 1886227825Stheraven _Tp, _Args...> 1887227825Stheraven {}; 1888227825Stheraven 1889227825Stheraven// Array types are default constructible if their element type 1890227825Stheraven// is default constructible 1891227825Stheraven 1892232950Stheraventemplate <class _Ap, size_t _Np> 1893232950Stheravenstruct __is_constructible<false, _Ap[_Np]> 1894232950Stheraven : public is_constructible<typename remove_all_extents<_Ap>::type> 1895227825Stheraven {}; 1896227825Stheraven 1897227825Stheraven// Otherwise array types are not constructible by this syntax 1898227825Stheraven 1899232950Stheraventemplate <class _Ap, size_t _Np, class ..._Args> 1900232950Stheravenstruct __is_constructible<false, _Ap[_Np], _Args...> 1901227825Stheraven : public false_type 1902227825Stheraven {}; 1903227825Stheraven 1904227825Stheraven// Incomplete array types are not constructible 1905227825Stheraven 1906232950Stheraventemplate <class _Ap, class ..._Args> 1907232950Stheravenstruct __is_constructible<false, _Ap[], _Args...> 1908227825Stheraven : public false_type 1909227825Stheraven {}; 1910227825Stheraven 1911227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1912227825Stheraven 1913227825Stheraven// template <class T> struct is_constructible0; 1914227825Stheraven 1915227825Stheraven// main is_constructible0 test 1916227825Stheraven 1917227825Stheraventemplate <class _Tp> 1918227825Stheravendecltype((_Tp(), true_type())) 1919227825Stheraven__is_constructible0_test(_Tp&); 1920227825Stheraven 1921227825Stheravenfalse_type 1922227825Stheraven__is_constructible0_test(__any); 1923227825Stheraven 1924227825Stheraventemplate <class _Tp, class _A0> 1925227825Stheravendecltype((_Tp(_VSTD::declval<_A0>()), true_type())) 1926227825Stheraven__is_constructible1_test(_Tp&, _A0&); 1927227825Stheraven 1928227825Stheraventemplate <class _A0> 1929227825Stheravenfalse_type 1930227825Stheraven__is_constructible1_test(__any, _A0&); 1931227825Stheraven 1932227825Stheraventemplate <class _Tp, class _A0, class _A1> 1933227825Stheravendecltype((_Tp(_VSTD::declval<_A0>(), _VSTD::declval<_A1>()), true_type())) 1934227825Stheraven__is_constructible2_test(_Tp&, _A0&, _A1&); 1935227825Stheraven 1936227825Stheraventemplate <class _A0, class _A1> 1937227825Stheravenfalse_type 1938227825Stheraven__is_constructible2_test(__any, _A0&, _A1&); 1939227825Stheraven 1940227825Stheraventemplate <bool, class _Tp> 1941227825Stheravenstruct __is_constructible0_imp // false, _Tp is not a scalar 1942227825Stheraven : public common_type 1943227825Stheraven < 1944227825Stheraven decltype(__is_constructible0_test(declval<_Tp&>())) 1945227825Stheraven >::type 1946227825Stheraven {}; 1947227825Stheraven 1948227825Stheraventemplate <bool, class _Tp, class _A0> 1949227825Stheravenstruct __is_constructible1_imp // false, _Tp is not a scalar 1950227825Stheraven : public common_type 1951227825Stheraven < 1952227825Stheraven decltype(__is_constructible1_test(declval<_Tp&>(), declval<_A0&>())) 1953227825Stheraven >::type 1954227825Stheraven {}; 1955227825Stheraven 1956227825Stheraventemplate <bool, class _Tp, class _A0, class _A1> 1957227825Stheravenstruct __is_constructible2_imp // false, _Tp is not a scalar 1958227825Stheraven : public common_type 1959227825Stheraven < 1960227825Stheraven decltype(__is_constructible2_test(declval<_Tp&>(), declval<_A0>(), declval<_A1>())) 1961227825Stheraven >::type 1962227825Stheraven {}; 1963227825Stheraven 1964227825Stheraven// handle scalars and reference types 1965227825Stheraven 1966227825Stheraven// Scalars are default constructible, references are not 1967227825Stheraven 1968227825Stheraventemplate <class _Tp> 1969227825Stheravenstruct __is_constructible0_imp<true, _Tp> 1970227825Stheraven : public is_scalar<_Tp> 1971227825Stheraven {}; 1972227825Stheraven 1973227825Stheraventemplate <class _Tp, class _A0> 1974227825Stheravenstruct __is_constructible1_imp<true, _Tp, _A0> 1975227825Stheraven : public is_convertible<_A0, _Tp> 1976227825Stheraven {}; 1977227825Stheraven 1978227825Stheraventemplate <class _Tp, class _A0, class _A1> 1979227825Stheravenstruct __is_constructible2_imp<true, _Tp, _A0, _A1> 1980227825Stheraven : public false_type 1981227825Stheraven {}; 1982227825Stheraven 1983227825Stheraven// Treat scalars and reference types separately 1984227825Stheraven 1985227825Stheraventemplate <bool, class _Tp> 1986227825Stheravenstruct __is_constructible0_void_check 1987227825Stheraven : public __is_constructible0_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, 1988227825Stheraven _Tp> 1989227825Stheraven {}; 1990227825Stheraven 1991227825Stheraventemplate <bool, class _Tp, class _A0> 1992227825Stheravenstruct __is_constructible1_void_check 1993227825Stheraven : public __is_constructible1_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, 1994227825Stheraven _Tp, _A0> 1995227825Stheraven {}; 1996227825Stheraven 1997227825Stheraventemplate <bool, class _Tp, class _A0, class _A1> 1998227825Stheravenstruct __is_constructible2_void_check 1999227825Stheraven : public __is_constructible2_imp<is_scalar<_Tp>::value || is_reference<_Tp>::value, 2000227825Stheraven _Tp, _A0, _A1> 2001227825Stheraven {}; 2002227825Stheraven 2003227825Stheraven// If any of T or Args is void, is_constructible should be false 2004227825Stheraven 2005227825Stheraventemplate <class _Tp> 2006227825Stheravenstruct __is_constructible0_void_check<true, _Tp> 2007227825Stheraven : public false_type 2008227825Stheraven {}; 2009227825Stheraven 2010227825Stheraventemplate <class _Tp, class _A0> 2011227825Stheravenstruct __is_constructible1_void_check<true, _Tp, _A0> 2012227825Stheraven : public false_type 2013227825Stheraven {}; 2014227825Stheraven 2015227825Stheraventemplate <class _Tp, class _A0, class _A1> 2016227825Stheravenstruct __is_constructible2_void_check<true, _Tp, _A0, _A1> 2017227825Stheraven : public false_type 2018227825Stheraven {}; 2019227825Stheraven 2020227825Stheraven// is_constructible entry point 2021227825Stheraven 2022227825Stheravennamespace __is_construct 2023227825Stheraven{ 2024227825Stheraven 2025227825Stheravenstruct __nat {}; 2026227825Stheraven 2027227825Stheraven} 2028227825Stheraven 2029227825Stheraventemplate <class _Tp, class _A0 = __is_construct::__nat, 2030227825Stheraven class _A1 = __is_construct::__nat> 2031227825Stheravenstruct _LIBCPP_VISIBLE is_constructible 2032227825Stheraven : public __is_constructible2_void_check<is_void<_Tp>::value 2033227825Stheraven || is_abstract<_Tp>::value 2034227825Stheraven || is_function<_Tp>::value 2035227825Stheraven || is_void<_A0>::value 2036227825Stheraven || is_void<_A1>::value, 2037227825Stheraven _Tp, _A0, _A1> 2038227825Stheraven {}; 2039227825Stheraven 2040227825Stheraventemplate <class _Tp> 2041227825Stheravenstruct _LIBCPP_VISIBLE is_constructible<_Tp, __is_construct::__nat, __is_construct::__nat> 2042227825Stheraven : public __is_constructible0_void_check<is_void<_Tp>::value 2043227825Stheraven || is_abstract<_Tp>::value 2044227825Stheraven || is_function<_Tp>::value, 2045227825Stheraven _Tp> 2046227825Stheraven {}; 2047227825Stheraven 2048227825Stheraventemplate <class _Tp, class _A0> 2049227825Stheravenstruct _LIBCPP_VISIBLE is_constructible<_Tp, _A0, __is_construct::__nat> 2050227825Stheraven : public __is_constructible1_void_check<is_void<_Tp>::value 2051227825Stheraven || is_abstract<_Tp>::value 2052227825Stheraven || is_function<_Tp>::value 2053227825Stheraven || is_void<_A0>::value, 2054227825Stheraven _Tp, _A0> 2055227825Stheraven {}; 2056227825Stheraven 2057227825Stheraven// Array types are default constructible if their element type 2058227825Stheraven// is default constructible 2059227825Stheraven 2060232950Stheraventemplate <class _Ap, size_t _Np> 2061232950Stheravenstruct __is_constructible0_imp<false, _Ap[_Np]> 2062232950Stheraven : public is_constructible<typename remove_all_extents<_Ap>::type> 2063227825Stheraven {}; 2064227825Stheraven 2065232950Stheraventemplate <class _Ap, size_t _Np, class _A0> 2066232950Stheravenstruct __is_constructible1_imp<false, _Ap[_Np], _A0> 2067227825Stheraven : public false_type 2068227825Stheraven {}; 2069227825Stheraven 2070232950Stheraventemplate <class _Ap, size_t _Np, class _A0, class _A1> 2071232950Stheravenstruct __is_constructible2_imp<false, _Ap[_Np], _A0, _A1> 2072227825Stheraven : public false_type 2073227825Stheraven {}; 2074227825Stheraven 2075227825Stheraven// Incomplete array types are not constructible 2076227825Stheraven 2077232950Stheraventemplate <class _Ap> 2078232950Stheravenstruct __is_constructible0_imp<false, _Ap[]> 2079227825Stheraven : public false_type 2080227825Stheraven {}; 2081227825Stheraven 2082232950Stheraventemplate <class _Ap, class _A0> 2083232950Stheravenstruct __is_constructible1_imp<false, _Ap[], _A0> 2084227825Stheraven : public false_type 2085227825Stheraven {}; 2086227825Stheraven 2087232950Stheraventemplate <class _Ap, class _A0, class _A1> 2088232950Stheravenstruct __is_constructible2_imp<false, _Ap[], _A0, _A1> 2089227825Stheraven : public false_type 2090227825Stheraven {}; 2091227825Stheraven 2092227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2093227825Stheraven 2094227825Stheraven// is_default_constructible 2095227825Stheraven 2096227825Stheraventemplate <class _Tp> 2097227825Stheravenstruct _LIBCPP_VISIBLE is_default_constructible 2098227825Stheraven : public is_constructible<_Tp> 2099227825Stheraven {}; 2100227825Stheraven 2101227825Stheraven// is_copy_constructible 2102227825Stheraven 2103227825Stheraventemplate <class _Tp> 2104227825Stheravenstruct _LIBCPP_VISIBLE is_copy_constructible 2105227825Stheraven : public is_constructible<_Tp, const typename add_lvalue_reference<_Tp>::type> 2106227825Stheraven {}; 2107227825Stheraven 2108227825Stheraven// is_move_constructible 2109227825Stheraven 2110227825Stheraventemplate <class _Tp> 2111227825Stheravenstruct _LIBCPP_VISIBLE is_move_constructible 2112227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2113227825Stheraven : public is_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> 2114227825Stheraven#else 2115227825Stheraven : public is_copy_constructible<_Tp> 2116227825Stheraven#endif 2117227825Stheraven {}; 2118227825Stheraven 2119227825Stheraven// is_trivially_constructible 2120227825Stheraven 2121227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2122227825Stheraven 2123232950Stheraven#if __has_feature(is_trivially_constructible) 2124232950Stheraven 2125227825Stheraventemplate <class _Tp, class... _Args> 2126227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible 2127232950Stheraven : integral_constant<bool, __is_trivially_constructible(_Tp, _Args...)> 2128232950Stheraven{ 2129232950Stheraven}; 2130232950Stheraven 2131232950Stheraven#else // !__has_feature(is_trivially_constructible) 2132232950Stheraven 2133232950Stheraventemplate <class _Tp, class... _Args> 2134232950Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible 2135227825Stheraven : false_type 2136227825Stheraven{ 2137227825Stheraven}; 2138227825Stheraven 2139227825Stheraventemplate <class _Tp> 2140227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp> 2141227825Stheraven#if __has_feature(has_trivial_constructor) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2142227825Stheraven : integral_constant<bool, __has_trivial_constructor(_Tp)> 2143227825Stheraven#else 2144227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2145227825Stheraven#endif 2146227825Stheraven{ 2147227825Stheraven}; 2148227825Stheraven 2149227825Stheraventemplate <class _Tp> 2150227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2151227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp&&> 2152227825Stheraven#else 2153227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp> 2154227825Stheraven#endif 2155227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2156227825Stheraven{ 2157227825Stheraven}; 2158227825Stheraven 2159227825Stheraventemplate <class _Tp> 2160227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, const _Tp&> 2161227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2162227825Stheraven{ 2163227825Stheraven}; 2164227825Stheraven 2165227825Stheraventemplate <class _Tp> 2166227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp&> 2167227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2168227825Stheraven{ 2169227825Stheraven}; 2170227825Stheraven 2171232950Stheraven#endif // !__has_feature(is_trivially_constructible) 2172232950Stheraven 2173227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 2174227825Stheraven 2175227825Stheraventemplate <class _Tp, class _A0 = __is_construct::__nat, 2176227825Stheraven class _A1 = __is_construct::__nat> 2177227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible 2178227825Stheraven : false_type 2179227825Stheraven{ 2180227825Stheraven}; 2181227825Stheraven 2182232950Stheraven#if __has_feature(is_trivially_constructible) 2183232950Stheraven 2184227825Stheraventemplate <class _Tp> 2185227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, __is_construct::__nat, 2186227825Stheraven __is_construct::__nat> 2187232950Stheraven : integral_constant<bool, __is_trivially_constructible(_Tp)> 2188232950Stheraven{ 2189232950Stheraven}; 2190232950Stheraven 2191232950Stheraventemplate <class _Tp> 2192232950Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp, 2193232950Stheraven __is_construct::__nat> 2194232950Stheraven : integral_constant<bool, __is_trivially_constructible(_Tp, _Tp)> 2195232950Stheraven{ 2196232950Stheraven}; 2197232950Stheraven 2198232950Stheraventemplate <class _Tp> 2199232950Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, const _Tp&, 2200232950Stheraven __is_construct::__nat> 2201232950Stheraven : integral_constant<bool, __is_trivially_constructible(_Tp, const _Tp&)> 2202232950Stheraven{ 2203232950Stheraven}; 2204232950Stheraven 2205232950Stheraventemplate <class _Tp> 2206232950Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp&, 2207232950Stheraven __is_construct::__nat> 2208232950Stheraven : integral_constant<bool, __is_trivially_constructible(_Tp, _Tp&)> 2209232950Stheraven{ 2210232950Stheraven}; 2211232950Stheraven 2212232950Stheraven#else // !__has_feature(is_trivially_constructible) 2213232950Stheraven 2214232950Stheraventemplate <class _Tp> 2215232950Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, __is_construct::__nat, 2216232950Stheraven __is_construct::__nat> 2217227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2218227825Stheraven{ 2219227825Stheraven}; 2220227825Stheraven 2221227825Stheraventemplate <class _Tp> 2222227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp, 2223227825Stheraven __is_construct::__nat> 2224227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2225227825Stheraven{ 2226227825Stheraven}; 2227227825Stheraven 2228227825Stheraventemplate <class _Tp> 2229227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, const _Tp&, 2230227825Stheraven __is_construct::__nat> 2231227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2232227825Stheraven{ 2233227825Stheraven}; 2234227825Stheraven 2235227825Stheraventemplate <class _Tp> 2236227825Stheravenstruct _LIBCPP_VISIBLE is_trivially_constructible<_Tp, _Tp&, 2237227825Stheraven __is_construct::__nat> 2238227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2239227825Stheraven{ 2240227825Stheraven}; 2241227825Stheraven 2242232950Stheraven#endif // !__has_feature(is_trivially_constructible) 2243232950Stheraven 2244227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2245227825Stheraven 2246227825Stheraven// is_trivially_default_constructible 2247227825Stheraven 2248227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_default_constructible 2249227825Stheraven : public is_trivially_constructible<_Tp> 2250227825Stheraven {}; 2251227825Stheraven 2252227825Stheraven// is_trivially_copy_constructible 2253227825Stheraven 2254227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_copy_constructible 2255227825Stheraven : public is_trivially_constructible<_Tp, const typename add_lvalue_reference<_Tp>::type> 2256227825Stheraven {}; 2257227825Stheraven 2258227825Stheraven// is_trivially_move_constructible 2259227825Stheraven 2260227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_move_constructible 2261227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2262227825Stheraven : public is_trivially_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> 2263227825Stheraven#else 2264227825Stheraven : public is_trivially_copy_constructible<_Tp> 2265227825Stheraven#endif 2266227825Stheraven {}; 2267227825Stheraven 2268227825Stheraven// is_trivially_assignable 2269227825Stheraven 2270232950Stheraven#if __has_feature(is_trivially_constructible) 2271232950Stheraven 2272227825Stheraventemplate <class _Tp, class _Arg> 2273227825Stheravenstruct is_trivially_assignable 2274232950Stheraven : integral_constant<bool, __is_trivially_assignable(_Tp, _Arg)> 2275232950Stheraven{ 2276232950Stheraven}; 2277232950Stheraven 2278232950Stheraven#else // !__has_feature(is_trivially_constructible) 2279232950Stheraven 2280232950Stheraventemplate <class _Tp, class _Arg> 2281232950Stheravenstruct is_trivially_assignable 2282227825Stheraven : public false_type {}; 2283227825Stheraven 2284227825Stheraventemplate <class _Tp> 2285227825Stheravenstruct is_trivially_assignable<_Tp&, _Tp> 2286227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2287227825Stheraven 2288227825Stheraventemplate <class _Tp> 2289227825Stheravenstruct is_trivially_assignable<_Tp&, _Tp&> 2290227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2291227825Stheraven 2292227825Stheraventemplate <class _Tp> 2293227825Stheravenstruct is_trivially_assignable<_Tp&, const _Tp&> 2294227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2295227825Stheraven 2296227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2297227825Stheraven 2298227825Stheraventemplate <class _Tp> 2299227825Stheravenstruct is_trivially_assignable<_Tp&, _Tp&&> 2300227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2301227825Stheraven 2302227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2303227825Stheraven 2304232950Stheraven#endif // !__has_feature(is_trivially_constructible) 2305232950Stheraven 2306227825Stheraven// is_trivially_copy_assignable 2307227825Stheraven 2308227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_copy_assignable 2309227825Stheraven : public is_trivially_assignable<typename add_lvalue_reference<_Tp>::type, 2310227825Stheraven const typename add_lvalue_reference<_Tp>::type> 2311227825Stheraven {}; 2312227825Stheraven 2313227825Stheraven// is_trivially_move_assignable 2314227825Stheraven 2315227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_move_assignable 2316227825Stheraven : public is_trivially_assignable<typename add_lvalue_reference<_Tp>::type, 2317227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2318227825Stheraven typename add_rvalue_reference<_Tp>::type> 2319227825Stheraven#else 2320227825Stheraven typename add_lvalue_reference<_Tp>::type> 2321227825Stheraven#endif 2322227825Stheraven {}; 2323227825Stheraven 2324227825Stheraven// is_trivially_destructible 2325227825Stheraven 2326227825Stheraven#if __has_feature(has_trivial_destructor) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2327227825Stheraven 2328227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_destructible 2329227825Stheraven : public integral_constant<bool, __has_trivial_destructor(_Tp)> {}; 2330227825Stheraven 2331227825Stheraven#else // _LIBCPP_HAS_TYPE_TRAITS 2332227825Stheraven 2333227825Stheraventemplate <class _Tp> struct __libcpp_trivial_destructor 2334227825Stheraven : public integral_constant<bool, is_scalar<_Tp>::value || 2335227825Stheraven is_reference<_Tp>::value> {}; 2336227825Stheraven 2337227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_destructible 2338227825Stheraven : public __libcpp_trivial_destructor<typename remove_all_extents<_Tp>::type> {}; 2339227825Stheraven 2340227825Stheraven#endif // _LIBCPP_HAS_TYPE_TRAITS 2341227825Stheraven 2342227825Stheraven// is_nothrow_constructible 2343227825Stheraven 2344227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2345227825Stheraven 2346227825Stheraven#if __has_feature(cxx_noexcept) 2347227825Stheraven 2348227825Stheraventemplate <bool, class _Tp, class... _Args> struct __is_nothrow_constructible; 2349227825Stheraven 2350227825Stheraventemplate <class _Tp, class... _Args> 2351227825Stheravenstruct __is_nothrow_constructible<true, _Tp, _Args...> 2352227825Stheraven : public integral_constant<bool, noexcept(_Tp(declval<_Args>()...))> 2353227825Stheraven{ 2354227825Stheraven}; 2355227825Stheraven 2356227825Stheraventemplate <class _Tp, class... _Args> 2357227825Stheravenstruct __is_nothrow_constructible<false, _Tp, _Args...> 2358227825Stheraven : public false_type 2359227825Stheraven{ 2360227825Stheraven}; 2361227825Stheraven 2362227825Stheraventemplate <class _Tp, class... _Args> 2363227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible 2364227825Stheraven : __is_nothrow_constructible<is_constructible<_Tp, _Args...>::value, _Tp, _Args...> 2365227825Stheraven{ 2366227825Stheraven}; 2367227825Stheraven 2368227825Stheraventemplate <class _Tp, size_t _Ns> 2369227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp[_Ns]> 2370227825Stheraven : __is_nothrow_constructible<is_constructible<_Tp>::value, _Tp> 2371227825Stheraven{ 2372227825Stheraven}; 2373227825Stheraven 2374227825Stheraven#else // __has_feature(cxx_noexcept) 2375227825Stheraven 2376227825Stheraventemplate <class _Tp, class... _Args> 2377227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible 2378227825Stheraven : false_type 2379227825Stheraven{ 2380227825Stheraven}; 2381227825Stheraven 2382227825Stheraventemplate <class _Tp> 2383227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp> 2384227825Stheraven#if __has_feature(has_nothrow_constructor) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2385227825Stheraven : integral_constant<bool, __has_nothrow_constructor(_Tp)> 2386227825Stheraven#else 2387227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2388227825Stheraven#endif 2389227825Stheraven{ 2390227825Stheraven}; 2391227825Stheraven 2392227825Stheraventemplate <class _Tp> 2393227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2394227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, _Tp&&> 2395227825Stheraven#else 2396227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, _Tp> 2397227825Stheraven#endif 2398227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2399227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2400227825Stheraven#else 2401227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2402227825Stheraven#endif 2403227825Stheraven{ 2404227825Stheraven}; 2405227825Stheraven 2406227825Stheraventemplate <class _Tp> 2407227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, const _Tp&> 2408227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2409227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2410227825Stheraven#else 2411227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2412227825Stheraven#endif 2413227825Stheraven{ 2414227825Stheraven}; 2415227825Stheraven 2416227825Stheraventemplate <class _Tp> 2417227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, _Tp&> 2418227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2419227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2420227825Stheraven#else 2421227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2422227825Stheraven#endif 2423227825Stheraven{ 2424227825Stheraven}; 2425227825Stheraven 2426227825Stheraven#endif // __has_feature(cxx_noexcept) 2427227825Stheraven 2428227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 2429227825Stheraven 2430227825Stheraventemplate <class _Tp, class _A0 = __is_construct::__nat, 2431227825Stheraven class _A1 = __is_construct::__nat> 2432227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible 2433227825Stheraven : false_type 2434227825Stheraven{ 2435227825Stheraven}; 2436227825Stheraven 2437227825Stheraventemplate <class _Tp> 2438227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, __is_construct::__nat, 2439227825Stheraven __is_construct::__nat> 2440227825Stheraven#if __has_feature(has_nothrow_constructor) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2441227825Stheraven : integral_constant<bool, __has_nothrow_constructor(_Tp)> 2442227825Stheraven#else 2443227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2444227825Stheraven#endif 2445227825Stheraven{ 2446227825Stheraven}; 2447227825Stheraven 2448227825Stheraventemplate <class _Tp> 2449227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, _Tp, 2450227825Stheraven __is_construct::__nat> 2451227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2452227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2453227825Stheraven#else 2454227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2455227825Stheraven#endif 2456227825Stheraven{ 2457227825Stheraven}; 2458227825Stheraven 2459227825Stheraventemplate <class _Tp> 2460227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, const _Tp&, 2461227825Stheraven __is_construct::__nat> 2462227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2463227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2464227825Stheraven#else 2465227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2466227825Stheraven#endif 2467227825Stheraven{ 2468227825Stheraven}; 2469227825Stheraven 2470227825Stheraventemplate <class _Tp> 2471227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_constructible<_Tp, _Tp&, 2472227825Stheraven __is_construct::__nat> 2473227825Stheraven#if __has_feature(has_nothrow_copy) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2474227825Stheraven : integral_constant<bool, __has_nothrow_copy(_Tp)> 2475227825Stheraven#else 2476227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> 2477227825Stheraven#endif 2478227825Stheraven{ 2479227825Stheraven}; 2480227825Stheraven 2481227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2482227825Stheraven 2483227825Stheraven// is_nothrow_default_constructible 2484227825Stheraven 2485227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_default_constructible 2486227825Stheraven : public is_nothrow_constructible<_Tp> 2487227825Stheraven {}; 2488227825Stheraven 2489227825Stheraven// is_nothrow_copy_constructible 2490227825Stheraven 2491227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_copy_constructible 2492227825Stheraven : public is_nothrow_constructible<_Tp, const typename add_lvalue_reference<_Tp>::type> 2493227825Stheraven {}; 2494227825Stheraven 2495227825Stheraven// is_nothrow_move_constructible 2496227825Stheraven 2497227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_move_constructible 2498227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2499227825Stheraven : public is_nothrow_constructible<_Tp, typename add_rvalue_reference<_Tp>::type> 2500227825Stheraven#else 2501227825Stheraven : public is_nothrow_copy_constructible<_Tp> 2502227825Stheraven#endif 2503227825Stheraven {}; 2504227825Stheraven 2505227825Stheraven// is_nothrow_assignable 2506227825Stheraven 2507227825Stheraven#if __has_feature(cxx_noexcept) 2508227825Stheraven 2509227825Stheraventemplate <bool, class _Tp, class _Arg> struct __is_nothrow_assignable; 2510227825Stheraven 2511227825Stheraventemplate <class _Tp, class _Arg> 2512227825Stheravenstruct __is_nothrow_assignable<false, _Tp, _Arg> 2513227825Stheraven : public false_type 2514227825Stheraven{ 2515227825Stheraven}; 2516227825Stheraven 2517227825Stheraventemplate <class _Tp, class _Arg> 2518227825Stheravenstruct __is_nothrow_assignable<true, _Tp, _Arg> 2519227825Stheraven : public integral_constant<bool, noexcept(_VSTD::declval<_Tp>() = _VSTD::declval<_Arg>()) > 2520227825Stheraven{ 2521227825Stheraven}; 2522227825Stheraven 2523227825Stheraventemplate <class _Tp, class _Arg> 2524227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_assignable 2525227825Stheraven : public __is_nothrow_assignable<is_assignable<_Tp, _Arg>::value, _Tp, _Arg> 2526227825Stheraven{ 2527227825Stheraven}; 2528227825Stheraven 2529227825Stheraven#else // __has_feature(cxx_noexcept) 2530227825Stheraven 2531227825Stheraventemplate <class _Tp, class _Arg> 2532227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_assignable 2533227825Stheraven : public false_type {}; 2534227825Stheraven 2535227825Stheraventemplate <class _Tp> 2536227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_assignable<_Tp&, _Tp> 2537227825Stheraven#if __has_feature(has_nothrow_assign) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2538227825Stheraven : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; 2539227825Stheraven#else 2540227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2541227825Stheraven#endif 2542227825Stheraven 2543227825Stheraventemplate <class _Tp> 2544227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_assignable<_Tp&, _Tp&> 2545227825Stheraven#if __has_feature(has_nothrow_assign) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2546227825Stheraven : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; 2547227825Stheraven#else 2548227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2549227825Stheraven#endif 2550227825Stheraven 2551227825Stheraventemplate <class _Tp> 2552227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_assignable<_Tp&, const _Tp&> 2553227825Stheraven#if __has_feature(has_nothrow_assign) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2554227825Stheraven : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; 2555227825Stheraven#else 2556227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2557227825Stheraven#endif 2558227825Stheraven 2559227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2560227825Stheraven 2561227825Stheraventemplate <class _Tp> 2562227825Stheravenstruct is_nothrow_assignable<_Tp&, _Tp&&> 2563227825Stheraven#if __has_feature(has_nothrow_assign) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2564227825Stheraven : integral_constant<bool, __has_nothrow_assign(_Tp)> {}; 2565227825Stheraven#else 2566227825Stheraven : integral_constant<bool, is_scalar<_Tp>::value> {}; 2567227825Stheraven#endif 2568227825Stheraven 2569227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2570227825Stheraven 2571227825Stheraven#endif // __has_feature(cxx_noexcept) 2572227825Stheraven 2573227825Stheraven// is_nothrow_copy_assignable 2574227825Stheraven 2575227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_copy_assignable 2576227825Stheraven : public is_nothrow_assignable<typename add_lvalue_reference<_Tp>::type, 2577227825Stheraven const typename add_lvalue_reference<_Tp>::type> 2578227825Stheraven {}; 2579227825Stheraven 2580227825Stheraven// is_nothrow_move_assignable 2581227825Stheraven 2582227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_move_assignable 2583227825Stheraven : public is_nothrow_assignable<typename add_lvalue_reference<_Tp>::type, 2584227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2585227825Stheraven typename add_rvalue_reference<_Tp>::type> 2586227825Stheraven#else 2587227825Stheraven typename add_lvalue_reference<_Tp>::type> 2588227825Stheraven#endif 2589227825Stheraven {}; 2590227825Stheraven 2591227825Stheraven// is_nothrow_destructible 2592227825Stheraven 2593227825Stheraven#if __has_feature(cxx_noexcept) 2594227825Stheraven 2595227825Stheraventemplate <bool, class _Tp> struct __is_nothrow_destructible; 2596227825Stheraven 2597227825Stheraventemplate <class _Tp> 2598227825Stheravenstruct __is_nothrow_destructible<false, _Tp> 2599227825Stheraven : public false_type 2600227825Stheraven{ 2601227825Stheraven}; 2602227825Stheraven 2603227825Stheraventemplate <class _Tp> 2604227825Stheravenstruct __is_nothrow_destructible<true, _Tp> 2605227825Stheraven : public integral_constant<bool, noexcept(_VSTD::declval<_Tp>().~_Tp()) > 2606227825Stheraven{ 2607227825Stheraven}; 2608227825Stheraven 2609227825Stheraventemplate <class _Tp> 2610227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_destructible 2611227825Stheraven : public __is_nothrow_destructible<is_destructible<_Tp>::value, _Tp> 2612227825Stheraven{ 2613227825Stheraven}; 2614227825Stheraven 2615227825Stheraventemplate <class _Tp, size_t _Ns> 2616227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_destructible<_Tp[_Ns]> 2617227825Stheraven : public is_nothrow_destructible<_Tp> 2618227825Stheraven{ 2619227825Stheraven}; 2620227825Stheraven 2621227825Stheraventemplate <class _Tp> 2622227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_destructible<_Tp&> 2623227825Stheraven : public true_type 2624227825Stheraven{ 2625227825Stheraven}; 2626227825Stheraven 2627227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2628227825Stheraven 2629227825Stheraventemplate <class _Tp> 2630227825Stheravenstruct _LIBCPP_VISIBLE is_nothrow_destructible<_Tp&&> 2631227825Stheraven : public true_type 2632227825Stheraven{ 2633227825Stheraven}; 2634227825Stheraven 2635227825Stheraven#endif 2636227825Stheraven 2637227825Stheraven#else 2638227825Stheraven 2639227825Stheraventemplate <class _Tp> struct __libcpp_nothrow_destructor 2640227825Stheraven : public integral_constant<bool, is_scalar<_Tp>::value || 2641227825Stheraven is_reference<_Tp>::value> {}; 2642227825Stheraven 2643227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_nothrow_destructible 2644227825Stheraven : public __libcpp_nothrow_destructor<typename remove_all_extents<_Tp>::type> {}; 2645227825Stheraven 2646227825Stheraven#endif 2647227825Stheraven 2648227825Stheraven// is_pod 2649227825Stheraven 2650227825Stheraven#if __has_feature(is_pod) || (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) 2651227825Stheraven 2652227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_pod 2653227825Stheraven : public integral_constant<bool, __is_pod(_Tp)> {}; 2654227825Stheraven 2655227825Stheraven#else // _LIBCPP_HAS_TYPE_TRAITS 2656227825Stheraven 2657227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_pod 2658227825Stheraven : public integral_constant<bool, is_trivially_default_constructible<_Tp>::value && 2659227825Stheraven is_trivially_copy_constructible<_Tp>::value && 2660227825Stheraven is_trivially_copy_assignable<_Tp>::value && 2661227825Stheraven is_trivially_destructible<_Tp>::value> {}; 2662227825Stheraven 2663227825Stheraven#endif // _LIBCPP_HAS_TYPE_TRAITS 2664227825Stheraven 2665227825Stheraven// is_literal_type; 2666227825Stheraven 2667227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_literal_type 2668227825Stheraven#if __has_feature(is_literal) 2669227825Stheraven : public integral_constant<bool, __is_literal(_Tp)> 2670227825Stheraven#else 2671227825Stheraven : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value || 2672227825Stheraven is_reference<typename remove_all_extents<_Tp>::type>::value> 2673227825Stheraven#endif 2674227825Stheraven {}; 2675227825Stheraven 2676227825Stheraven// is_standard_layout; 2677227825Stheraven 2678227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_standard_layout 2679227825Stheraven#if __has_feature(is_standard_layout) 2680227825Stheraven : public integral_constant<bool, __is_standard_layout(_Tp)> 2681227825Stheraven#else 2682227825Stheraven : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value> 2683227825Stheraven#endif 2684227825Stheraven {}; 2685227825Stheraven 2686227825Stheraven// is_trivially_copyable; 2687227825Stheraven 2688227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivially_copyable 2689227825Stheraven#if __has_feature(is_trivially_copyable) 2690227825Stheraven : public integral_constant<bool, __is_trivially_copyable(_Tp)> 2691227825Stheraven#else 2692227825Stheraven : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value> 2693227825Stheraven#endif 2694227825Stheraven {}; 2695227825Stheraven 2696227825Stheraven// is_trivial; 2697227825Stheraven 2698227825Stheraventemplate <class _Tp> struct _LIBCPP_VISIBLE is_trivial 2699227825Stheraven#if __has_feature(is_trivial) 2700227825Stheraven : public integral_constant<bool, __is_trivial(_Tp)> 2701227825Stheraven#else 2702227825Stheraven : integral_constant<bool, is_trivially_copyable<_Tp>::value && 2703227825Stheraven is_trivially_default_constructible<_Tp>::value> 2704227825Stheraven#endif 2705227825Stheraven {}; 2706227825Stheraven 2707227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2708227825Stheraven 2709227825Stheraven// Check for complete types 2710227825Stheraven 2711232950Stheraventemplate <class ..._Tp> struct __check_complete; 2712227825Stheraven 2713227825Stheraventemplate <> 2714227825Stheravenstruct __check_complete<> 2715227825Stheraven{ 2716227825Stheraven}; 2717227825Stheraven 2718232950Stheraventemplate <class _Hp, class _T0, class ..._Tp> 2719232950Stheravenstruct __check_complete<_Hp, _T0, _Tp...> 2720232950Stheraven : private __check_complete<_Hp>, 2721232950Stheraven private __check_complete<_T0, _Tp...> 2722227825Stheraven{ 2723227825Stheraven}; 2724227825Stheraven 2725232950Stheraventemplate <class _Hp> 2726232950Stheravenstruct __check_complete<_Hp, _Hp> 2727232950Stheraven : private __check_complete<_Hp> 2728227825Stheraven{ 2729227825Stheraven}; 2730227825Stheraven 2731232950Stheraventemplate <class _Tp> 2732232950Stheravenstruct __check_complete<_Tp> 2733227825Stheraven{ 2734232950Stheraven static_assert(sizeof(_Tp) > 0, "Type must be complete."); 2735227825Stheraven}; 2736227825Stheraven 2737232950Stheraventemplate <class _Tp> 2738232950Stheravenstruct __check_complete<_Tp&> 2739232950Stheraven : private __check_complete<_Tp> 2740227825Stheraven{ 2741227825Stheraven}; 2742227825Stheraven 2743232950Stheraventemplate <class _Tp> 2744232950Stheravenstruct __check_complete<_Tp&&> 2745232950Stheraven : private __check_complete<_Tp> 2746227825Stheraven{ 2747227825Stheraven}; 2748227825Stheraven 2749232950Stheraventemplate <class _Rp, class ..._Param> 2750232950Stheravenstruct __check_complete<_Rp (*)(_Param...)> 2751241903Sdim : private __check_complete<_Rp> 2752227825Stheraven{ 2753227825Stheraven}; 2754227825Stheraven 2755232950Stheraventemplate <class _Rp, class ..._Param> 2756232950Stheravenstruct __check_complete<_Rp (_Param...)> 2757241903Sdim : private __check_complete<_Rp> 2758227825Stheraven{ 2759227825Stheraven}; 2760227825Stheraven 2761232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2762232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...)> 2763241903Sdim : private __check_complete<_Class> 2764227825Stheraven{ 2765227825Stheraven}; 2766227825Stheraven 2767232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2768232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const> 2769241903Sdim : private __check_complete<_Class> 2770227825Stheraven{ 2771227825Stheraven}; 2772227825Stheraven 2773232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2774232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) volatile> 2775241903Sdim : private __check_complete<_Class> 2776227825Stheraven{ 2777227825Stheraven}; 2778227825Stheraven 2779232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2780232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const volatile> 2781241903Sdim : private __check_complete<_Class> 2782227825Stheraven{ 2783227825Stheraven}; 2784227825Stheraven 2785227825Stheraven#if __has_feature(cxx_reference_qualified_functions) 2786227825Stheraven 2787232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2788232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) &> 2789241903Sdim : private __check_complete<_Class> 2790227825Stheraven{ 2791227825Stheraven}; 2792227825Stheraven 2793232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2794232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const&> 2795241903Sdim : private __check_complete<_Class> 2796227825Stheraven{ 2797227825Stheraven}; 2798227825Stheraven 2799232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2800232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) volatile&> 2801241903Sdim : private __check_complete<_Class> 2802227825Stheraven{ 2803227825Stheraven}; 2804227825Stheraven 2805232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2806232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const volatile&> 2807241903Sdim : private __check_complete<_Class> 2808227825Stheraven{ 2809227825Stheraven}; 2810227825Stheraven 2811232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2812232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) &&> 2813241903Sdim : private __check_complete<_Class> 2814227825Stheraven{ 2815227825Stheraven}; 2816227825Stheraven 2817232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2818232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const&&> 2819241903Sdim : private __check_complete<_Class> 2820227825Stheraven{ 2821227825Stheraven}; 2822227825Stheraven 2823232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2824232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) volatile&&> 2825241903Sdim : private __check_complete<_Class> 2826227825Stheraven{ 2827227825Stheraven}; 2828227825Stheraven 2829232950Stheraventemplate <class _Rp, class _Class, class ..._Param> 2830232950Stheravenstruct __check_complete<_Rp (_Class::*)(_Param...) const volatile&&> 2831241903Sdim : private __check_complete<_Class> 2832227825Stheraven{ 2833227825Stheraven}; 2834227825Stheraven 2835227825Stheraven#endif 2836227825Stheraven 2837232950Stheraventemplate <class _Rp, class _Class> 2838232950Stheravenstruct __check_complete<_Rp _Class::*> 2839227825Stheraven : private __check_complete<_Class> 2840227825Stheraven{ 2841227825Stheraven}; 2842227825Stheraven 2843227825Stheraven// __invoke forward declarations 2844227825Stheraven 2845227825Stheraven// fall back - none of the bullets 2846227825Stheraven 2847227825Stheraventemplate <class ..._Args> 2848227825Stheravenauto 2849227825Stheraven__invoke(__any, _Args&& ...__args) 2850227825Stheraven -> __nat; 2851227825Stheraven 2852227825Stheraven// bullets 1 and 2 2853227825Stheraven 2854232950Stheraventemplate <class _Fp, class _A0, class ..._Args> 2855241903Sdim_LIBCPP_INLINE_VISIBILITY 2856227825Stheravenauto 2857232950Stheraven__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args) 2858227825Stheraven -> decltype((_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...)); 2859227825Stheraven 2860232950Stheraventemplate <class _Fp, class _A0, class ..._Args> 2861241903Sdim_LIBCPP_INLINE_VISIBILITY 2862227825Stheravenauto 2863232950Stheraven__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args) 2864227825Stheraven -> decltype(((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...)); 2865227825Stheraven 2866227825Stheraven// bullets 3 and 4 2867227825Stheraven 2868232950Stheraventemplate <class _Fp, class _A0> 2869241903Sdim_LIBCPP_INLINE_VISIBILITY 2870227825Stheravenauto 2871232950Stheraven__invoke(_Fp&& __f, _A0&& __a0) 2872227825Stheraven -> decltype(_VSTD::forward<_A0>(__a0).*__f); 2873227825Stheraven 2874232950Stheraventemplate <class _Fp, class _A0> 2875241903Sdim_LIBCPP_INLINE_VISIBILITY 2876227825Stheravenauto 2877232950Stheraven__invoke(_Fp&& __f, _A0&& __a0) 2878227825Stheraven -> decltype((*_VSTD::forward<_A0>(__a0)).*__f); 2879227825Stheraven 2880227825Stheraven// bullet 5 2881227825Stheraven 2882232950Stheraventemplate <class _Fp, class ..._Args> 2883241903Sdim_LIBCPP_INLINE_VISIBILITY 2884227825Stheravenauto 2885232950Stheraven__invoke(_Fp&& __f, _Args&& ...__args) 2886232950Stheraven -> decltype(_VSTD::forward<_Fp>(__f)(_VSTD::forward<_Args>(__args)...)); 2887227825Stheraven 2888227825Stheraven// __invokable 2889227825Stheraven 2890232950Stheraventemplate <class _Fp, class ..._Args> 2891227825Stheravenstruct __invokable_imp 2892241903Sdim : private __check_complete<_Fp> 2893227825Stheraven{ 2894227825Stheraven typedef decltype( 2895232950Stheraven __invoke(_VSTD::declval<_Fp>(), _VSTD::declval<_Args>()...) 2896227825Stheraven ) type; 2897227825Stheraven static const bool value = !is_same<type, __nat>::value; 2898227825Stheraven}; 2899227825Stheraven 2900232950Stheraventemplate <class _Fp, class ..._Args> 2901227825Stheravenstruct __invokable 2902227825Stheraven : public integral_constant<bool, 2903232950Stheraven __invokable_imp<_Fp, _Args...>::value> 2904227825Stheraven{ 2905227825Stheraven}; 2906227825Stheraven 2907227825Stheraven// __invoke_of 2908227825Stheraven 2909232950Stheraventemplate <bool _Invokable, class _Fp, class ..._Args> 2910227825Stheravenstruct __invoke_of_imp // false 2911227825Stheraven{ 2912227825Stheraven}; 2913227825Stheraven 2914232950Stheraventemplate <class _Fp, class ..._Args> 2915232950Stheravenstruct __invoke_of_imp<true, _Fp, _Args...> 2916227825Stheraven{ 2917232950Stheraven typedef typename __invokable_imp<_Fp, _Args...>::type type; 2918227825Stheraven}; 2919227825Stheraven 2920232950Stheraventemplate <class _Fp, class ..._Args> 2921227825Stheravenstruct __invoke_of 2922232950Stheraven : public __invoke_of_imp<__invokable<_Fp, _Args...>::value, _Fp, _Args...> 2923227825Stheraven{ 2924227825Stheraven}; 2925227825Stheraven 2926241903Sdimtemplate <class _Fp, class ..._Args> 2927241903Sdimclass _LIBCPP_VISIBLE result_of<_Fp(_Args...)> 2928241903Sdim : public __invoke_of<_Fp, _Args...> 2929241903Sdim{ 2930241903Sdim}; 2931241903Sdim 2932227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2933227825Stheraven 2934227825Stheraventemplate <class _Tp> 2935227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2936227825Stheraven#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE 2937227825Stheraventypename enable_if 2938227825Stheraven< 2939227825Stheraven is_move_constructible<_Tp>::value && 2940227825Stheraven is_move_assignable<_Tp>::value 2941227825Stheraven>::type 2942227825Stheraven#else 2943227825Stheravenvoid 2944227825Stheraven#endif 2945227825Stheravenswap(_Tp& __x, _Tp& __y) _NOEXCEPT_(is_nothrow_move_constructible<_Tp>::value && 2946227825Stheraven is_nothrow_move_assignable<_Tp>::value) 2947227825Stheraven{ 2948227825Stheraven _Tp __t(_VSTD::move(__x)); 2949227825Stheraven __x = _VSTD::move(__y); 2950227825Stheraven __y = _VSTD::move(__t); 2951227825Stheraven} 2952227825Stheraven 2953227825Stheraventemplate <class _ForwardIterator1, class _ForwardIterator2> 2954227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2955227825Stheravenvoid 2956227825Stheraveniter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) 2957227825Stheraven // _NOEXCEPT_(_NOEXCEPT_(swap(*__a, *__b))) 2958227825Stheraven _NOEXCEPT_(_NOEXCEPT_(swap(*_VSTD::declval<_ForwardIterator1>(), 2959227825Stheraven *_VSTD::declval<_ForwardIterator2>()))) 2960227825Stheraven{ 2961227825Stheraven swap(*__a, *__b); 2962227825Stheraven} 2963227825Stheraven 2964227825Stheraven// __swappable 2965227825Stheraven 2966227825Stheravennamespace __detail 2967227825Stheraven{ 2968227825Stheraven 2969227825Stheravenusing _VSTD::swap; 2970227825Stheraven__nat swap(__any, __any); 2971227825Stheraven 2972227825Stheraventemplate <class _Tp> 2973227825Stheravenstruct __swappable 2974227825Stheraven{ 2975227825Stheraven typedef decltype(swap(_VSTD::declval<_Tp&>(), _VSTD::declval<_Tp&>())) type; 2976227825Stheraven static const bool value = !is_same<type, __nat>::value; 2977227825Stheraven}; 2978227825Stheraven 2979227825Stheraven} // __detail 2980227825Stheraven 2981227825Stheraventemplate <class _Tp> 2982227825Stheravenstruct __is_swappable 2983227825Stheraven : public integral_constant<bool, __detail::__swappable<_Tp>::value> 2984227825Stheraven{ 2985227825Stheraven}; 2986227825Stheraven 2987227825Stheraven#if __has_feature(cxx_noexcept) 2988227825Stheraven 2989227825Stheraventemplate <bool, class _Tp> 2990227825Stheravenstruct __is_nothrow_swappable_imp 2991227825Stheraven : public integral_constant<bool, noexcept(swap(_VSTD::declval<_Tp&>(), 2992227825Stheraven _VSTD::declval<_Tp&>()))> 2993227825Stheraven{ 2994227825Stheraven}; 2995227825Stheraven 2996227825Stheraventemplate <class _Tp> 2997227825Stheravenstruct __is_nothrow_swappable_imp<false, _Tp> 2998227825Stheraven : public false_type 2999227825Stheraven{ 3000227825Stheraven}; 3001227825Stheraven 3002227825Stheraventemplate <class _Tp> 3003227825Stheravenstruct __is_nothrow_swappable 3004227825Stheraven : public __is_nothrow_swappable_imp<__is_swappable<_Tp>::value, _Tp> 3005227825Stheraven{ 3006227825Stheraven}; 3007227825Stheraven 3008227825Stheraven#else // __has_feature(cxx_noexcept) 3009227825Stheraven 3010227825Stheraventemplate <class _Tp> 3011227825Stheravenstruct __is_nothrow_swappable 3012227825Stheraven : public false_type 3013227825Stheraven{ 3014227825Stheraven}; 3015227825Stheraven 3016227825Stheraven#endif // __has_feature(cxx_noexcept) 3017227825Stheraven 3018227825Stheraven#ifdef _LIBCXX_UNDERLYING_TYPE 3019227825Stheraven 3020227825Stheraventemplate <class _Tp> 3021227825Stheravenstruct underlying_type 3022227825Stheraven{ 3023227825Stheraven typedef _LIBCXX_UNDERLYING_TYPE(_Tp) type; 3024227825Stheraven}; 3025227825Stheraven 3026227825Stheraven#else // _LIBCXX_UNDERLYING_TYPE 3027227825Stheraven 3028227825Stheraventemplate <class _Tp, bool _Support = false> 3029227825Stheravenstruct underlying_type 3030227825Stheraven{ 3031227825Stheraven static_assert(_Support, "The underyling_type trait requires compiler " 3032227825Stheraven "support. Either no such support exists or " 3033227825Stheraven "libc++ does not know how to use it."); 3034227825Stheraven}; 3035227825Stheraven 3036227825Stheraven#endif // _LIBCXX_UNDERLYING_TYPE 3037227825Stheraven 3038227825Stheraven_LIBCPP_END_NAMESPACE_STD 3039227825Stheraven 3040227825Stheraven#endif // _LIBCPP_TYPE_TRAITS 3041