functional revision 227825
1227825Stheraven// -*- C++ -*- 2227825Stheraven//===------------------------ functional ----------------------------------===// 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_FUNCTIONAL 12227825Stheraven#define _LIBCPP_FUNCTIONAL 13227825Stheraven 14227825Stheraven/* 15227825Stheraven functional synopsis 16227825Stheraven 17227825Stheravennamespace std 18227825Stheraven{ 19227825Stheraven 20227825Stheraventemplate <class Arg, class Result> 21227825Stheravenstruct unary_function 22227825Stheraven{ 23227825Stheraven typedef Arg argument_type; 24227825Stheraven typedef Result result_type; 25227825Stheraven}; 26227825Stheraven 27227825Stheraventemplate <class Arg1, class Arg2, class Result> 28227825Stheravenstruct binary_function 29227825Stheraven{ 30227825Stheraven typedef Arg1 first_argument_type; 31227825Stheraven typedef Arg2 second_argument_type; 32227825Stheraven typedef Result result_type; 33227825Stheraven}; 34227825Stheraven 35227825Stheraventemplate <class T> 36227825Stheravenclass reference_wrapper 37227825Stheraven : public unary_function<T1, R> // if wrapping a unary functor 38227825Stheraven : public binary_function<T1, T2, R> // if wraping a binary functor 39227825Stheraven{ 40227825Stheravenpublic: 41227825Stheraven // types 42227825Stheraven typedef T type; 43227825Stheraven typedef see below result_type; // Not always defined 44227825Stheraven 45227825Stheraven // construct/copy/destroy 46227825Stheraven reference_wrapper(T&) noexcept; 47227825Stheraven reference_wrapper(T&&) = delete; // do not bind to temps 48227825Stheraven reference_wrapper(const reference_wrapper<T>& x) noexcept; 49227825Stheraven 50227825Stheraven // assignment 51227825Stheraven reference_wrapper& operator=(const reference_wrapper<T>& x) noexcept; 52227825Stheraven 53227825Stheraven // access 54227825Stheraven operator T& () const noexcept; 55227825Stheraven T& get() const noexcept; 56227825Stheraven 57227825Stheraven // invoke 58227825Stheraven template <class... ArgTypes> 59227825Stheraven typename result_of<T(ArgTypes...)>::type 60227825Stheraven operator() (ArgTypes&&...) const; 61227825Stheraven}; 62227825Stheraven 63227825Stheraventemplate <class T> reference_wrapper<T> ref(T& t) noexcept; 64227825Stheraventemplate <class T> void ref(const T&& t) = delete; 65227825Stheraventemplate <class T> reference_wrapper<T> ref(reference_wrapper<T>t) noexcept; 66227825Stheraven 67227825Stheraventemplate <class T> reference_wrapper<const T> cref(const T& t) noexcept; 68227825Stheraventemplate <class T> void cref(const T&& t) = delete; 69227825Stheraventemplate <class T> reference_wrapper<const T> cref(reference_wrapper<T> t) noexcept; 70227825Stheraven 71227825Stheraventemplate <class T> 72227825Stheravenstruct plus : binary_function<T, T, T> 73227825Stheraven{ 74227825Stheraven T operator()(const T& x, const T& y) const; 75227825Stheraven}; 76227825Stheraven 77227825Stheraventemplate <class T> 78227825Stheravenstruct minus : binary_function<T, T, T> 79227825Stheraven{ 80227825Stheraven T operator()(const T& x, const T& y) const; 81227825Stheraven}; 82227825Stheraven 83227825Stheraventemplate <class T> 84227825Stheravenstruct multiplies : binary_function<T, T, T> 85227825Stheraven{ 86227825Stheraven T operator()(const T& x, const T& y) const; 87227825Stheraven}; 88227825Stheraven 89227825Stheraventemplate <class T> 90227825Stheravenstruct divides : binary_function<T, T, T> 91227825Stheraven{ 92227825Stheraven T operator()(const T& x, const T& y) const; 93227825Stheraven}; 94227825Stheraven 95227825Stheraventemplate <class T> 96227825Stheravenstruct modulus : binary_function<T, T, T> 97227825Stheraven{ 98227825Stheraven T operator()(const T& x, const T& y) const; 99227825Stheraven}; 100227825Stheraven 101227825Stheraventemplate <class T> 102227825Stheravenstruct negate : unary_function<T, T> 103227825Stheraven{ 104227825Stheraven T operator()(const T& x) const; 105227825Stheraven}; 106227825Stheraven 107227825Stheraventemplate <class T> 108227825Stheravenstruct equal_to : binary_function<T, T, bool> 109227825Stheraven{ 110227825Stheraven bool operator()(const T& x, const T& y) const; 111227825Stheraven}; 112227825Stheraven 113227825Stheraventemplate <class T> 114227825Stheravenstruct not_equal_to : binary_function<T, T, bool> 115227825Stheraven{ 116227825Stheraven bool operator()(const T& x, const T& y) const; 117227825Stheraven}; 118227825Stheraven 119227825Stheraventemplate <class T> 120227825Stheravenstruct greater : binary_function<T, T, bool> 121227825Stheraven{ 122227825Stheraven bool operator()(const T& x, const T& y) const; 123227825Stheraven}; 124227825Stheraven 125227825Stheraventemplate <class T> 126227825Stheravenstruct less : binary_function<T, T, bool> 127227825Stheraven{ 128227825Stheraven bool operator()(const T& x, const T& y) const; 129227825Stheraven}; 130227825Stheraven 131227825Stheraventemplate <class T> 132227825Stheravenstruct greater_equal : binary_function<T, T, bool> 133227825Stheraven{ 134227825Stheraven bool operator()(const T& x, const T& y) const; 135227825Stheraven}; 136227825Stheraven 137227825Stheraventemplate <class T> 138227825Stheravenstruct less_equal : binary_function<T, T, bool> 139227825Stheraven{ 140227825Stheraven bool operator()(const T& x, const T& y) const; 141227825Stheraven}; 142227825Stheraven 143227825Stheraventemplate <class T> 144227825Stheravenstruct logical_and : binary_function<T, T, bool> 145227825Stheraven{ 146227825Stheraven bool operator()(const T& x, const T& y) const; 147227825Stheraven}; 148227825Stheraven 149227825Stheraventemplate <class T> 150227825Stheravenstruct logical_or : binary_function<T, T, bool> 151227825Stheraven{ 152227825Stheraven bool operator()(const T& x, const T& y) const; 153227825Stheraven}; 154227825Stheraven 155227825Stheraventemplate <class T> 156227825Stheravenstruct logical_not : unary_function<T, bool> 157227825Stheraven{ 158227825Stheraven bool operator()(const T& x) const; 159227825Stheraven}; 160227825Stheraven 161227825Stheraventemplate <class Predicate> 162227825Stheravenclass unary_negate 163227825Stheraven : public unary_function<typename Predicate::argument_type, bool> 164227825Stheraven{ 165227825Stheravenpublic: 166227825Stheraven explicit unary_negate(const Predicate& pred); 167227825Stheraven bool operator()(const typename Predicate::argument_type& x) const; 168227825Stheraven}; 169227825Stheraven 170227825Stheraventemplate <class Predicate> unary_negate<Predicate> not1(const Predicate& pred); 171227825Stheraven 172227825Stheraventemplate <class Predicate> 173227825Stheravenclass binary_negate 174227825Stheraven : public binary_function<typename Predicate::first_argument_type, 175227825Stheraven typename Predicate::second_argument_type, 176227825Stheraven bool> 177227825Stheraven{ 178227825Stheravenpublic: 179227825Stheraven explicit binary_negate(const Predicate& pred); 180227825Stheraven bool operator()(const typename Predicate::first_argument_type& x, 181227825Stheraven const typename Predicate::second_argument_type& y) const; 182227825Stheraven}; 183227825Stheraven 184227825Stheraventemplate <class Predicate> binary_negate<Predicate> not2(const Predicate& pred); 185227825Stheraven 186227825Stheraventemplate<class T> struct is_bind_expression; 187227825Stheraventemplate<class T> struct is_placeholder; 188227825Stheraven 189227825Stheraventemplate<class Fn, class... BoundArgs> 190227825Stheraven unspecified bind(Fn&&, BoundArgs&&...); 191227825Stheraventemplate<class R, class Fn, class... BoundArgs> 192227825Stheraven unspecified bind(Fn&&, BoundArgs&&...); 193227825Stheraven 194227825Stheravennamespace placeholders { 195227825Stheraven // M is the implementation-defined number of placeholders 196227825Stheraven extern unspecified _1; 197227825Stheraven extern unspecified _2; 198227825Stheraven . 199227825Stheraven . 200227825Stheraven . 201227825Stheraven extern unspecified _M; 202227825Stheraven} 203227825Stheraven 204227825Stheraventemplate <class Operation> 205227825Stheravenclass binder1st 206227825Stheraven : public unary_function<typename Operation::second_argument_type, 207227825Stheraven typename Operation::result_type> 208227825Stheraven{ 209227825Stheravenprotected: 210227825Stheraven Operation op; 211227825Stheraven typename Operation::first_argument_type value; 212227825Stheravenpublic: 213227825Stheraven binder1st(const Operation& x, const typename Operation::first_argument_type y); 214227825Stheraven typename Operation::result_type operator()( typename Operation::second_argument_type& x) const; 215227825Stheraven typename Operation::result_type operator()(const typename Operation::second_argument_type& x) const; 216227825Stheraven}; 217227825Stheraven 218227825Stheraventemplate <class Operation, class T> 219227825Stheravenbinder1st<Operation> bind1st(const Operation& op, const T& x); 220227825Stheraven 221227825Stheraventemplate <class Operation> 222227825Stheravenclass binder2nd 223227825Stheraven : public unary_function<typename Operation::first_argument_type, 224227825Stheraven typename Operation::result_type> 225227825Stheraven{ 226227825Stheravenprotected: 227227825Stheraven Operation op; 228227825Stheraven typename Operation::second_argument_type value; 229227825Stheravenpublic: 230227825Stheraven binder2nd(const Operation& x, const typename Operation::second_argument_type y); 231227825Stheraven typename Operation::result_type operator()( typename Operation::first_argument_type& x) const; 232227825Stheraven typename Operation::result_type operator()(const typename Operation::first_argument_type& x) const; 233227825Stheraven}; 234227825Stheraven 235227825Stheraventemplate <class Operation, class T> 236227825Stheravenbinder2nd<Operation> bind2nd(const Operation& op, const T& x); 237227825Stheraven 238227825Stheraventemplate <class Arg, class Result> 239227825Stheravenclass pointer_to_unary_function : public unary_function<Arg, Result> 240227825Stheraven{ 241227825Stheravenpublic: 242227825Stheraven explicit pointer_to_unary_function(Result (*f)(Arg)); 243227825Stheraven Result operator()(Arg x) const; 244227825Stheraven}; 245227825Stheraven 246227825Stheraventemplate <class Arg, class Result> 247227825Stheravenpointer_to_unary_function<Arg,Result> ptr_fun(Result (*f)(Arg)); 248227825Stheraven 249227825Stheraventemplate <class Arg1, class Arg2, class Result> 250227825Stheravenclass pointer_to_binary_function : public binary_function<Arg1, Arg2, Result> 251227825Stheraven{ 252227825Stheravenpublic: 253227825Stheraven explicit pointer_to_binary_function(Result (*f)(Arg1, Arg2)); 254227825Stheraven Result operator()(Arg1 x, Arg2 y) const; 255227825Stheraven}; 256227825Stheraven 257227825Stheraventemplate <class Arg1, class Arg2, class Result> 258227825Stheravenpointer_to_binary_function<Arg1,Arg2,Result> ptr_fun(Result (*f)(Arg1,Arg2)); 259227825Stheraven 260227825Stheraventemplate<class S, class T> 261227825Stheravenclass mem_fun_t : public unary_function<T*, S> 262227825Stheraven{ 263227825Stheravenpublic: 264227825Stheraven explicit mem_fun_t(S (T::*p)()); 265227825Stheraven S operator()(T* p) const; 266227825Stheraven}; 267227825Stheraven 268227825Stheraventemplate<class S, class T, class A> 269227825Stheravenclass mem_fun1_t : public binary_function<T*, A, S> 270227825Stheraven{ 271227825Stheravenpublic: 272227825Stheraven explicit mem_fun1_t(S (T::*p)(A)); 273227825Stheraven S operator()(T* p, A x) const; 274227825Stheraven}; 275227825Stheraven 276227825Stheraventemplate<class S, class T> mem_fun_t<S,T> mem_fun(S (T::*f)()); 277227825Stheraventemplate<class S, class T, class A> mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A)); 278227825Stheraven 279227825Stheraventemplate<class S, class T> 280227825Stheravenclass mem_fun_ref_t : public unary_function<T, S> 281227825Stheraven{ 282227825Stheravenpublic: 283227825Stheraven explicit mem_fun_ref_t(S (T::*p)()); 284227825Stheraven S operator()(T& p) const; 285227825Stheraven}; 286227825Stheraven 287227825Stheraventemplate<class S, class T, class A> 288227825Stheravenclass mem_fun1_ref_t : public binary_function<T, A, S> 289227825Stheraven{ 290227825Stheravenpublic: 291227825Stheraven explicit mem_fun1_ref_t(S (T::*p)(A)); 292227825Stheraven S operator()(T& p, A x) const; 293227825Stheraven}; 294227825Stheraven 295227825Stheraventemplate<class S, class T> mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)()); 296227825Stheraventemplate<class S, class T, class A> mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A)); 297227825Stheraven 298227825Stheraventemplate <class S, class T> 299227825Stheravenclass const_mem_fun_t : public unary_function<const T*, S> 300227825Stheraven{ 301227825Stheravenpublic: 302227825Stheraven explicit const_mem_fun_t(S (T::*p)() const); 303227825Stheraven S operator()(const T* p) const; 304227825Stheraven}; 305227825Stheraven 306227825Stheraventemplate <class S, class T, class A> 307227825Stheravenclass const_mem_fun1_t : public binary_function<const T*, A, S> 308227825Stheraven{ 309227825Stheravenpublic: 310227825Stheraven explicit const_mem_fun1_t(S (T::*p)(A) const); 311227825Stheraven S operator()(const T* p, A x) const; 312227825Stheraven}; 313227825Stheraven 314227825Stheraventemplate <class S, class T> const_mem_fun_t<S,T> mem_fun(S (T::*f)() const); 315227825Stheraventemplate <class S, class T, class A> const_mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A) const); 316227825Stheraven 317227825Stheraventemplate <class S, class T> 318227825Stheravenclass const_mem_fun_ref_t : public unary_function<T, S> 319227825Stheraven{ 320227825Stheravenpublic: 321227825Stheraven explicit const_mem_fun_ref_t(S (T::*p)() const); 322227825Stheraven S operator()(const T& p) const; 323227825Stheraven}; 324227825Stheraven 325227825Stheraventemplate <class S, class T, class A> 326227825Stheravenclass const_mem_fun1_ref_t : public binary_function<T, A, S> 327227825Stheraven{ 328227825Stheravenpublic: 329227825Stheraven explicit const_mem_fun1_ref_t(S (T::*p)(A) const); 330227825Stheraven S operator()(const T& p, A x) const; 331227825Stheraven}; 332227825Stheraven 333227825Stheraventemplate <class S, class T> const_mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)() const); 334227825Stheraventemplate <class S, class T, class A> const_mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A) const); 335227825Stheraven 336227825Stheraventemplate<class R, class T> unspecified mem_fn(R T::*); 337227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...)); 338227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const); 339227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) volatile); 340227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const volatile); 341227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) &); 342227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const &); 343227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) volatile &); 344227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const volatile &); 345227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) &&); 346227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const &&); 347227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) volatile &&); 348227825Stheraventemplate<class R, class T, class... Args> unspecified mem_fn(R (T::*)(Args...) const volatile &&); 349227825Stheraven 350227825Stheravenclass bad_function_call 351227825Stheraven : public exception 352227825Stheraven{ 353227825Stheraven}; 354227825Stheraven 355227825Stheraventemplate<class> class function; // undefined 356227825Stheraven 357227825Stheraventemplate<class R, class... ArgTypes> 358227825Stheravenclass function<R(ArgTypes...)> 359227825Stheraven : public unary_function<T1, R> // iff sizeof...(ArgTypes) == 1 and 360227825Stheraven // ArgTypes contains T1 361227825Stheraven : public binary_function<T1, T2, R> // iff sizeof...(ArgTypes) == 2 and 362227825Stheraven // ArgTypes contains T1 and T2 363227825Stheraven{ 364227825Stheravenpublic: 365227825Stheraven typedef R result_type; 366227825Stheraven 367227825Stheraven // construct/copy/destroy: 368227825Stheraven function() noexcept; 369227825Stheraven function(nullptr_t) noexcept; 370227825Stheraven function(const function&); 371227825Stheraven function(function&&) noexcept; 372227825Stheraven template<class F> 373227825Stheraven function(F); 374227825Stheraven template<Allocator Alloc> 375227825Stheraven function(allocator_arg_t, const Alloc&) noexcept; 376227825Stheraven template<Allocator Alloc> 377227825Stheraven function(allocator_arg_t, const Alloc&, nullptr_t) noexcept; 378227825Stheraven template<Allocator Alloc> 379227825Stheraven function(allocator_arg_t, const Alloc&, const function&); 380227825Stheraven template<Allocator Alloc> 381227825Stheraven function(allocator_arg_t, const Alloc&, function&&); 382227825Stheraven template<class F, Allocator Alloc> 383227825Stheraven function(allocator_arg_t, const Alloc&, F); 384227825Stheraven 385227825Stheraven function& operator=(const function&); 386227825Stheraven function& operator=(function&&) noexcept; 387227825Stheraven function& operator=(nullptr_t) noexcept; 388227825Stheraven template<class F> 389227825Stheraven function& operator=(F&&); 390227825Stheraven template<class F> 391227825Stheraven function& operator=(reference_wrapper<F>) noexcept; 392227825Stheraven 393227825Stheraven ~function(); 394227825Stheraven 395227825Stheraven // function modifiers: 396227825Stheraven void swap(function&) noexcept; 397227825Stheraven template<class F, class Alloc> 398227825Stheraven void assign(F&&, const Alloc&); 399227825Stheraven 400227825Stheraven // function capacity: 401227825Stheraven explicit operator bool() const noexcept; 402227825Stheraven 403227825Stheraven // function invocation: 404227825Stheraven R operator()(ArgTypes...) const; 405227825Stheraven 406227825Stheraven // function target access: 407227825Stheraven const std::type_info& target_type() const noexcept; 408227825Stheraven template <typename T> T* target() noexcept; 409227825Stheraven template <typename T> const T* target() const noexcept; 410227825Stheraven}; 411227825Stheraven 412227825Stheraven// Null pointer comparisons: 413227825Stheraventemplate <class R, class ... ArgTypes> 414227825Stheraven bool operator==(const function<R(ArgTypes...)>&, nullptr_t) noexcept; 415227825Stheraven 416227825Stheraventemplate <class R, class ... ArgTypes> 417227825Stheraven bool operator==(nullptr_t, const function<R(ArgTypes...)>&) noexcept; 418227825Stheraven 419227825Stheraventemplate <class R, class ... ArgTypes> 420227825Stheraven bool operator!=(const function<R(ArgTypes...)>&, nullptr_t) noexcept; 421227825Stheraven 422227825Stheraventemplate <class R, class ... ArgTypes> 423227825Stheraven bool operator!=(nullptr_t, const function<R(ArgTypes...)>&) noexcept; 424227825Stheraven 425227825Stheraven// specialized algorithms: 426227825Stheraventemplate <class R, class ... ArgTypes> 427227825Stheraven void swap(function<R(ArgTypes...)>&, function<R(ArgTypes...)>&) noexcept; 428227825Stheraven 429227825Stheraventemplate <class T> struct hash; 430227825Stheraven 431227825Stheraventemplate <> struct hash<bool>; 432227825Stheraventemplate <> struct hash<char>; 433227825Stheraventemplate <> struct hash<signed char>; 434227825Stheraventemplate <> struct hash<unsigned char>; 435227825Stheraventemplate <> struct hash<char16_t>; 436227825Stheraventemplate <> struct hash<char32_t>; 437227825Stheraventemplate <> struct hash<wchar_t>; 438227825Stheraventemplate <> struct hash<short>; 439227825Stheraventemplate <> struct hash<unsigned short>; 440227825Stheraventemplate <> struct hash<int>; 441227825Stheraventemplate <> struct hash<unsigned int>; 442227825Stheraventemplate <> struct hash<long>; 443227825Stheraventemplate <> struct hash<long long>; 444227825Stheraventemplate <> struct hash<unsigned long>; 445227825Stheraventemplate <> struct hash<unsigned long long>; 446227825Stheraven 447227825Stheraventemplate <> struct hash<float>; 448227825Stheraventemplate <> struct hash<double>; 449227825Stheraventemplate <> struct hash<long double>; 450227825Stheraven 451227825Stheraventemplate<class T> struct hash<T*>; 452227825Stheraven 453227825Stheraven} // std 454227825Stheraven 455227825StheravenPOLICY: For non-variadic implementations, the number of arguments is limited 456227825Stheraven to 3. It is hoped that the need for non-variadic implementations 457227825Stheraven will be minimal. 458227825Stheraven 459227825Stheraven*/ 460227825Stheraven 461227825Stheraven#include <__config> 462227825Stheraven#include <type_traits> 463227825Stheraven#include <typeinfo> 464227825Stheraven#include <exception> 465227825Stheraven#include <memory> 466227825Stheraven#include <tuple> 467227825Stheraven 468227825Stheraven#include <__functional_base> 469227825Stheraven 470227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 471227825Stheraven#pragma GCC system_header 472227825Stheraven#endif 473227825Stheraven 474227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 475227825Stheraven 476227825Stheraventemplate <class _Tp> 477227825Stheravenstruct _LIBCPP_VISIBLE plus : binary_function<_Tp, _Tp, _Tp> 478227825Stheraven{ 479227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 480227825Stheraven {return __x + __y;} 481227825Stheraven}; 482227825Stheraven 483227825Stheraventemplate <class _Tp> 484227825Stheravenstruct _LIBCPP_VISIBLE minus : binary_function<_Tp, _Tp, _Tp> 485227825Stheraven{ 486227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 487227825Stheraven {return __x - __y;} 488227825Stheraven}; 489227825Stheraven 490227825Stheraventemplate <class _Tp> 491227825Stheravenstruct _LIBCPP_VISIBLE multiplies : binary_function<_Tp, _Tp, _Tp> 492227825Stheraven{ 493227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 494227825Stheraven {return __x * __y;} 495227825Stheraven}; 496227825Stheraven 497227825Stheraventemplate <class _Tp> 498227825Stheravenstruct _LIBCPP_VISIBLE divides : binary_function<_Tp, _Tp, _Tp> 499227825Stheraven{ 500227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 501227825Stheraven {return __x / __y;} 502227825Stheraven}; 503227825Stheraven 504227825Stheraventemplate <class _Tp> 505227825Stheravenstruct _LIBCPP_VISIBLE modulus : binary_function<_Tp, _Tp, _Tp> 506227825Stheraven{ 507227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 508227825Stheraven {return __x % __y;} 509227825Stheraven}; 510227825Stheraven 511227825Stheraventemplate <class _Tp> 512227825Stheravenstruct _LIBCPP_VISIBLE negate : unary_function<_Tp, _Tp> 513227825Stheraven{ 514227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x) const 515227825Stheraven {return -__x;} 516227825Stheraven}; 517227825Stheraven 518227825Stheraventemplate <class _Tp> 519227825Stheravenstruct _LIBCPP_VISIBLE equal_to : binary_function<_Tp, _Tp, bool> 520227825Stheraven{ 521227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 522227825Stheraven {return __x == __y;} 523227825Stheraven}; 524227825Stheraven 525227825Stheraventemplate <class _Tp> 526227825Stheravenstruct _LIBCPP_VISIBLE not_equal_to : binary_function<_Tp, _Tp, bool> 527227825Stheraven{ 528227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 529227825Stheraven {return __x != __y;} 530227825Stheraven}; 531227825Stheraven 532227825Stheraventemplate <class _Tp> 533227825Stheravenstruct _LIBCPP_VISIBLE greater : binary_function<_Tp, _Tp, bool> 534227825Stheraven{ 535227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 536227825Stheraven {return __x > __y;} 537227825Stheraven}; 538227825Stheraven 539227825Stheraventemplate <class _Tp> 540227825Stheravenstruct _LIBCPP_VISIBLE less : binary_function<_Tp, _Tp, bool> 541227825Stheraven{ 542227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 543227825Stheraven {return __x < __y;} 544227825Stheraven}; 545227825Stheraven 546227825Stheraventemplate <class _Tp> 547227825Stheravenstruct _LIBCPP_VISIBLE greater_equal : binary_function<_Tp, _Tp, bool> 548227825Stheraven{ 549227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 550227825Stheraven {return __x >= __y;} 551227825Stheraven}; 552227825Stheraven 553227825Stheraventemplate <class _Tp> 554227825Stheravenstruct _LIBCPP_VISIBLE less_equal : binary_function<_Tp, _Tp, bool> 555227825Stheraven{ 556227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 557227825Stheraven {return __x <= __y;} 558227825Stheraven}; 559227825Stheraven 560227825Stheraventemplate <class _Tp> 561227825Stheravenstruct _LIBCPP_VISIBLE logical_and : binary_function<_Tp, _Tp, bool> 562227825Stheraven{ 563227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 564227825Stheraven {return __x && __y;} 565227825Stheraven}; 566227825Stheraven 567227825Stheraventemplate <class _Tp> 568227825Stheravenstruct _LIBCPP_VISIBLE logical_or : binary_function<_Tp, _Tp, bool> 569227825Stheraven{ 570227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const 571227825Stheraven {return __x || __y;} 572227825Stheraven}; 573227825Stheraven 574227825Stheraventemplate <class _Tp> 575227825Stheravenstruct _LIBCPP_VISIBLE logical_not : unary_function<_Tp, bool> 576227825Stheraven{ 577227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x) const 578227825Stheraven {return !__x;} 579227825Stheraven}; 580227825Stheraven 581227825Stheraventemplate <class _Tp> 582227825Stheravenstruct _LIBCPP_VISIBLE bit_and : binary_function<_Tp, _Tp, _Tp> 583227825Stheraven{ 584227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 585227825Stheraven {return __x & __y;} 586227825Stheraven}; 587227825Stheraven 588227825Stheraventemplate <class _Tp> 589227825Stheravenstruct _LIBCPP_VISIBLE bit_or : binary_function<_Tp, _Tp, _Tp> 590227825Stheraven{ 591227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 592227825Stheraven {return __x | __y;} 593227825Stheraven}; 594227825Stheraven 595227825Stheraventemplate <class _Tp> 596227825Stheravenstruct _LIBCPP_VISIBLE bit_xor : binary_function<_Tp, _Tp, _Tp> 597227825Stheraven{ 598227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const 599227825Stheraven {return __x ^ __y;} 600227825Stheraven}; 601227825Stheraven 602227825Stheraventemplate <class _Predicate> 603227825Stheravenclass _LIBCPP_VISIBLE unary_negate 604227825Stheraven : public unary_function<typename _Predicate::argument_type, bool> 605227825Stheraven{ 606227825Stheraven _Predicate __pred_; 607227825Stheravenpublic: 608227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit unary_negate(const _Predicate& __pred) 609227825Stheraven : __pred_(__pred) {} 610227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const typename _Predicate::argument_type& __x) const 611227825Stheraven {return !__pred_(__x);} 612227825Stheraven}; 613227825Stheraven 614227825Stheraventemplate <class _Predicate> 615227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 616227825Stheravenunary_negate<_Predicate> 617227825Stheravennot1(const _Predicate& __pred) {return unary_negate<_Predicate>(__pred);} 618227825Stheraven 619227825Stheraventemplate <class _Predicate> 620227825Stheravenclass _LIBCPP_VISIBLE binary_negate 621227825Stheraven : public binary_function<typename _Predicate::first_argument_type, 622227825Stheraven typename _Predicate::second_argument_type, 623227825Stheraven bool> 624227825Stheraven{ 625227825Stheraven _Predicate __pred_; 626227825Stheravenpublic: 627227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit binary_negate(const _Predicate& __pred) 628227825Stheraven : __pred_(__pred) {} 629227825Stheraven _LIBCPP_INLINE_VISIBILITY bool operator()(const typename _Predicate::first_argument_type& __x, 630227825Stheraven const typename _Predicate::second_argument_type& __y) const 631227825Stheraven {return !__pred_(__x, __y);} 632227825Stheraven}; 633227825Stheraven 634227825Stheraventemplate <class _Predicate> 635227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 636227825Stheravenbinary_negate<_Predicate> 637227825Stheravennot2(const _Predicate& __pred) {return binary_negate<_Predicate>(__pred);} 638227825Stheraven 639227825Stheraventemplate <class __Operation> 640227825Stheravenclass _LIBCPP_VISIBLE binder1st 641227825Stheraven : public unary_function<typename __Operation::second_argument_type, 642227825Stheraven typename __Operation::result_type> 643227825Stheraven{ 644227825Stheravenprotected: 645227825Stheraven __Operation op; 646227825Stheraven typename __Operation::first_argument_type value; 647227825Stheravenpublic: 648227825Stheraven _LIBCPP_INLINE_VISIBILITY binder1st(const __Operation& __x, 649227825Stheraven const typename __Operation::first_argument_type __y) 650227825Stheraven : op(__x), value(__y) {} 651227825Stheraven _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() 652227825Stheraven (typename __Operation::second_argument_type& __x) const 653227825Stheraven {return op(value, __x);} 654227825Stheraven _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() 655227825Stheraven (const typename __Operation::second_argument_type& __x) const 656227825Stheraven {return op(value, __x);} 657227825Stheraven}; 658227825Stheraven 659227825Stheraventemplate <class __Operation, class _Tp> 660227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 661227825Stheravenbinder1st<__Operation> 662227825Stheravenbind1st(const __Operation& __op, const _Tp& __x) 663227825Stheraven {return binder1st<__Operation>(__op, __x);} 664227825Stheraven 665227825Stheraventemplate <class __Operation> 666227825Stheravenclass _LIBCPP_VISIBLE binder2nd 667227825Stheraven : public unary_function<typename __Operation::first_argument_type, 668227825Stheraven typename __Operation::result_type> 669227825Stheraven{ 670227825Stheravenprotected: 671227825Stheraven __Operation op; 672227825Stheraven typename __Operation::second_argument_type value; 673227825Stheravenpublic: 674227825Stheraven _LIBCPP_INLINE_VISIBILITY 675227825Stheraven binder2nd(const __Operation& __x, const typename __Operation::second_argument_type __y) 676227825Stheraven : op(__x), value(__y) {} 677227825Stheraven _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() 678227825Stheraven ( typename __Operation::first_argument_type& __x) const 679227825Stheraven {return op(__x, value);} 680227825Stheraven _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() 681227825Stheraven (const typename __Operation::first_argument_type& __x) const 682227825Stheraven {return op(__x, value);} 683227825Stheraven}; 684227825Stheraven 685227825Stheraventemplate <class __Operation, class _Tp> 686227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 687227825Stheravenbinder2nd<__Operation> 688227825Stheravenbind2nd(const __Operation& __op, const _Tp& __x) 689227825Stheraven {return binder2nd<__Operation>(__op, __x);} 690227825Stheraven 691227825Stheraventemplate <class _Arg, class _Result> 692227825Stheravenclass _LIBCPP_VISIBLE pointer_to_unary_function 693227825Stheraven : public unary_function<_Arg, _Result> 694227825Stheraven{ 695227825Stheraven _Result (*__f_)(_Arg); 696227825Stheravenpublic: 697227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit pointer_to_unary_function(_Result (*__f)(_Arg)) 698227825Stheraven : __f_(__f) {} 699227825Stheraven _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg __x) const 700227825Stheraven {return __f_(__x);} 701227825Stheraven}; 702227825Stheraven 703227825Stheraventemplate <class _Arg, class _Result> 704227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 705227825Stheravenpointer_to_unary_function<_Arg,_Result> 706227825Stheravenptr_fun(_Result (*__f)(_Arg)) 707227825Stheraven {return pointer_to_unary_function<_Arg,_Result>(__f);} 708227825Stheraven 709227825Stheraventemplate <class _Arg1, class _Arg2, class _Result> 710227825Stheravenclass _LIBCPP_VISIBLE pointer_to_binary_function 711227825Stheraven : public binary_function<_Arg1, _Arg2, _Result> 712227825Stheraven{ 713227825Stheraven _Result (*__f_)(_Arg1, _Arg2); 714227825Stheravenpublic: 715227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2)) 716227825Stheraven : __f_(__f) {} 717227825Stheraven _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg1 __x, _Arg2 __y) const 718227825Stheraven {return __f_(__x, __y);} 719227825Stheraven}; 720227825Stheraven 721227825Stheraventemplate <class _Arg1, class _Arg2, class _Result> 722227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 723227825Stheravenpointer_to_binary_function<_Arg1,_Arg2,_Result> 724227825Stheravenptr_fun(_Result (*__f)(_Arg1,_Arg2)) 725227825Stheraven {return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);} 726227825Stheraven 727227825Stheraventemplate<class _Sp, class _Tp> 728227825Stheravenclass _LIBCPP_VISIBLE mem_fun_t : public unary_function<_Tp*, _Sp> 729227825Stheraven{ 730227825Stheraven _Sp (_Tp::*__p_)(); 731227825Stheravenpublic: 732227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit mem_fun_t(_Sp (_Tp::*__p)()) 733227825Stheraven : __p_(__p) {} 734227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p) const 735227825Stheraven {return (__p->*__p_)();} 736227825Stheraven}; 737227825Stheraven 738227825Stheraventemplate<class _Sp, class _Tp, class _Ap> 739227825Stheravenclass _LIBCPP_VISIBLE mem_fun1_t : public binary_function<_Tp*, _Ap, _Sp> 740227825Stheraven{ 741227825Stheraven _Sp (_Tp::*__p_)(_Ap); 742227825Stheravenpublic: 743227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit mem_fun1_t(_Sp (_Tp::*__p)(_Ap)) 744227825Stheraven : __p_(__p) {} 745227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p, _Ap __x) const 746227825Stheraven {return (__p->*__p_)(__x);} 747227825Stheraven}; 748227825Stheraven 749227825Stheraventemplate<class _Sp, class _Tp> 750227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 751227825Stheravenmem_fun_t<_Sp,_Tp> 752227825Stheravenmem_fun(_Sp (_Tp::*__f)()) 753227825Stheraven {return mem_fun_t<_Sp,_Tp>(__f);} 754227825Stheraven 755227825Stheraventemplate<class _Sp, class _Tp, class _Ap> 756227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 757227825Stheravenmem_fun1_t<_Sp,_Tp,_Ap> 758227825Stheravenmem_fun(_Sp (_Tp::*__f)(_Ap)) 759227825Stheraven {return mem_fun1_t<_Sp,_Tp,_Ap>(__f);} 760227825Stheraven 761227825Stheraventemplate<class _Sp, class _Tp> 762227825Stheravenclass _LIBCPP_VISIBLE mem_fun_ref_t : public unary_function<_Tp, _Sp> 763227825Stheraven{ 764227825Stheraven _Sp (_Tp::*__p_)(); 765227825Stheravenpublic: 766227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit mem_fun_ref_t(_Sp (_Tp::*__p)()) 767227825Stheraven : __p_(__p) {} 768227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p) const 769227825Stheraven {return (__p.*__p_)();} 770227825Stheraven}; 771227825Stheraven 772227825Stheraventemplate<class _Sp, class _Tp, class _Ap> 773227825Stheravenclass _LIBCPP_VISIBLE mem_fun1_ref_t : public binary_function<_Tp, _Ap, _Sp> 774227825Stheraven{ 775227825Stheraven _Sp (_Tp::*__p_)(_Ap); 776227825Stheravenpublic: 777227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap)) 778227825Stheraven : __p_(__p) {} 779227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p, _Ap __x) const 780227825Stheraven {return (__p.*__p_)(__x);} 781227825Stheraven}; 782227825Stheraven 783227825Stheraventemplate<class _Sp, class _Tp> 784227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 785227825Stheravenmem_fun_ref_t<_Sp,_Tp> 786227825Stheravenmem_fun_ref(_Sp (_Tp::*__f)()) 787227825Stheraven {return mem_fun_ref_t<_Sp,_Tp>(__f);} 788227825Stheraven 789227825Stheraventemplate<class _Sp, class _Tp, class _Ap> 790227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 791227825Stheravenmem_fun1_ref_t<_Sp,_Tp,_Ap> 792227825Stheravenmem_fun_ref(_Sp (_Tp::*__f)(_Ap)) 793227825Stheraven {return mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);} 794227825Stheraven 795227825Stheraventemplate <class _Sp, class _Tp> 796227825Stheravenclass _LIBCPP_VISIBLE const_mem_fun_t : public unary_function<const _Tp*, _Sp> 797227825Stheraven{ 798227825Stheraven _Sp (_Tp::*__p_)() const; 799227825Stheravenpublic: 800227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_t(_Sp (_Tp::*__p)() const) 801227825Stheraven : __p_(__p) {} 802227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p) const 803227825Stheraven {return (__p->*__p_)();} 804227825Stheraven}; 805227825Stheraven 806227825Stheraventemplate <class _Sp, class _Tp, class _Ap> 807227825Stheravenclass _LIBCPP_VISIBLE const_mem_fun1_t : public binary_function<const _Tp*, _Ap, _Sp> 808227825Stheraven{ 809227825Stheraven _Sp (_Tp::*__p_)(_Ap) const; 810227825Stheravenpublic: 811227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_t(_Sp (_Tp::*__p)(_Ap) const) 812227825Stheraven : __p_(__p) {} 813227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p, _Ap __x) const 814227825Stheraven {return (__p->*__p_)(__x);} 815227825Stheraven}; 816227825Stheraven 817227825Stheraventemplate <class _Sp, class _Tp> 818227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 819227825Stheravenconst_mem_fun_t<_Sp,_Tp> 820227825Stheravenmem_fun(_Sp (_Tp::*__f)() const) 821227825Stheraven {return const_mem_fun_t<_Sp,_Tp>(__f);} 822227825Stheraven 823227825Stheraventemplate <class _Sp, class _Tp, class _Ap> 824227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 825227825Stheravenconst_mem_fun1_t<_Sp,_Tp,_Ap> 826227825Stheravenmem_fun(_Sp (_Tp::*__f)(_Ap) const) 827227825Stheraven {return const_mem_fun1_t<_Sp,_Tp,_Ap>(__f);} 828227825Stheraven 829227825Stheraventemplate <class _Sp, class _Tp> 830227825Stheravenclass _LIBCPP_VISIBLE const_mem_fun_ref_t : public unary_function<_Tp, _Sp> 831227825Stheraven{ 832227825Stheraven _Sp (_Tp::*__p_)() const; 833227825Stheravenpublic: 834227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_ref_t(_Sp (_Tp::*__p)() const) 835227825Stheraven : __p_(__p) {} 836227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p) const 837227825Stheraven {return (__p.*__p_)();} 838227825Stheraven}; 839227825Stheraven 840227825Stheraventemplate <class _Sp, class _Tp, class _Ap> 841227825Stheravenclass _LIBCPP_VISIBLE const_mem_fun1_ref_t 842227825Stheraven : public binary_function<_Tp, _Ap, _Sp> 843227825Stheraven{ 844227825Stheraven _Sp (_Tp::*__p_)(_Ap) const; 845227825Stheravenpublic: 846227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap) const) 847227825Stheraven : __p_(__p) {} 848227825Stheraven _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p, _Ap __x) const 849227825Stheraven {return (__p.*__p_)(__x);} 850227825Stheraven}; 851227825Stheraven 852227825Stheraventemplate <class _Sp, class _Tp> 853227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 854227825Stheravenconst_mem_fun_ref_t<_Sp,_Tp> 855227825Stheravenmem_fun_ref(_Sp (_Tp::*__f)() const) 856227825Stheraven {return const_mem_fun_ref_t<_Sp,_Tp>(__f);} 857227825Stheraven 858227825Stheraventemplate <class _Sp, class _Tp, class _Ap> 859227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 860227825Stheravenconst_mem_fun1_ref_t<_Sp,_Tp,_Ap> 861227825Stheravenmem_fun_ref(_Sp (_Tp::*__f)(_Ap) const) 862227825Stheraven {return const_mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);} 863227825Stheraven 864227825Stheraven#ifdef _LIBCPP_HAS_NO_VARIADICS 865227825Stheraven 866227825Stheraven#include <__functional_03> 867227825Stheraven 868227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 869227825Stheraven 870227825Stheraventemplate <class _Tp> 871227825Stheravenclass __mem_fn 872227825Stheraven : public __weak_result_type<_Tp> 873227825Stheraven{ 874227825Stheravenpublic: 875227825Stheraven // types 876227825Stheraven typedef _Tp type; 877227825Stheravenprivate: 878227825Stheraven type __f_; 879227825Stheraven 880227825Stheravenpublic: 881227825Stheraven _LIBCPP_INLINE_VISIBILITY __mem_fn(type __f) : __f_(__f) {} 882227825Stheraven 883227825Stheraven // invoke 884227825Stheraven template <class... _ArgTypes> 885227825Stheraven _LIBCPP_INLINE_VISIBILITY 886227825Stheraven typename __invoke_return<type, _ArgTypes...>::type 887227825Stheraven operator() (_ArgTypes&&... __args) 888227825Stheraven { 889227825Stheraven return __invoke(__f_, _VSTD::forward<_ArgTypes>(__args)...); 890227825Stheraven } 891227825Stheraven}; 892227825Stheraven 893227825Stheraventemplate<class _R, class _T> 894227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 895227825Stheraven__mem_fn<_R _T::*> 896227825Stheravenmem_fn(_R _T::* __pm) 897227825Stheraven{ 898227825Stheraven return __mem_fn<_R _T::*>(__pm); 899227825Stheraven} 900227825Stheraven 901227825Stheraventemplate<class _R, class _T, class ..._Args> 902227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 903227825Stheraven__mem_fn<_R (_T::*)(_Args...)> 904227825Stheravenmem_fn(_R (_T::* __pm)(_Args...)) 905227825Stheraven{ 906227825Stheraven return __mem_fn<_R (_T::*)(_Args...)>(__pm); 907227825Stheraven} 908227825Stheraven 909227825Stheraventemplate<class _R, class _T, class ..._Args> 910227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 911227825Stheraven__mem_fn<_R (_T::*)(_Args...) const> 912227825Stheravenmem_fn(_R (_T::* __pm)(_Args...) const) 913227825Stheraven{ 914227825Stheraven return __mem_fn<_R (_T::*)(_Args...) const>(__pm); 915227825Stheraven} 916227825Stheraven 917227825Stheraventemplate<class _R, class _T, class ..._Args> 918227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 919227825Stheraven__mem_fn<_R (_T::*)(_Args...) volatile> 920227825Stheravenmem_fn(_R (_T::* __pm)(_Args...) volatile) 921227825Stheraven{ 922227825Stheraven return __mem_fn<_R (_T::*)(_Args...) volatile>(__pm); 923227825Stheraven} 924227825Stheraven 925227825Stheraventemplate<class _R, class _T, class ..._Args> 926227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 927227825Stheraven__mem_fn<_R (_T::*)(_Args...) const volatile> 928227825Stheravenmem_fn(_R (_T::* __pm)(_Args...) const volatile) 929227825Stheraven{ 930227825Stheraven return __mem_fn<_R (_T::*)(_Args...) const volatile>(__pm); 931227825Stheraven} 932227825Stheraven 933227825Stheraven// bad_function_call 934227825Stheraven 935227825Stheravenclass _LIBCPP_EXCEPTION_ABI bad_function_call 936227825Stheraven : public exception 937227825Stheraven{ 938227825Stheraven}; 939227825Stheraven 940227825Stheraventemplate<class _Fp> class _LIBCPP_VISIBLE function; // undefined 941227825Stheraven 942227825Stheravennamespace __function 943227825Stheraven{ 944227825Stheraven 945227825Stheraventemplate<class _R, class ..._ArgTypes> 946227825Stheravenstruct __maybe_derive_from_unary_function 947227825Stheraven{ 948227825Stheraven}; 949227825Stheraven 950227825Stheraventemplate<class _R, class _A1> 951227825Stheravenstruct __maybe_derive_from_unary_function<_R(_A1)> 952227825Stheraven : public unary_function<_A1, _R> 953227825Stheraven{ 954227825Stheraven}; 955227825Stheraven 956227825Stheraventemplate<class _R, class ..._ArgTypes> 957227825Stheravenstruct __maybe_derive_from_binary_function 958227825Stheraven{ 959227825Stheraven}; 960227825Stheraven 961227825Stheraventemplate<class _R, class _A1, class _A2> 962227825Stheravenstruct __maybe_derive_from_binary_function<_R(_A1, _A2)> 963227825Stheraven : public binary_function<_A1, _A2, _R> 964227825Stheraven{ 965227825Stheraven}; 966227825Stheraven 967227825Stheraventemplate<class _Fp> class __base; 968227825Stheraven 969227825Stheraventemplate<class _R, class ..._ArgTypes> 970227825Stheravenclass __base<_R(_ArgTypes...)> 971227825Stheraven{ 972227825Stheraven __base(const __base&); 973227825Stheraven __base& operator=(const __base&); 974227825Stheravenpublic: 975227825Stheraven _LIBCPP_INLINE_VISIBILITY __base() {} 976227825Stheraven _LIBCPP_INLINE_VISIBILITY virtual ~__base() {} 977227825Stheraven virtual __base* __clone() const = 0; 978227825Stheraven virtual void __clone(__base*) const = 0; 979227825Stheraven virtual void destroy() _NOEXCEPT = 0; 980227825Stheraven virtual void destroy_deallocate() _NOEXCEPT = 0; 981227825Stheraven virtual _R operator()(_ArgTypes&& ...) = 0; 982227825Stheraven#ifndef _LIBCPP_NO_RTTI 983227825Stheraven virtual const void* target(const type_info&) const _NOEXCEPT = 0; 984227825Stheraven virtual const std::type_info& target_type() const _NOEXCEPT = 0; 985227825Stheraven#endif // _LIBCPP_NO_RTTI 986227825Stheraven}; 987227825Stheraven 988227825Stheraventemplate<class _FD, class _Alloc, class _FB> class __func; 989227825Stheraven 990227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 991227825Stheravenclass __func<_F, _Alloc, _R(_ArgTypes...)> 992227825Stheraven : public __base<_R(_ArgTypes...)> 993227825Stheraven{ 994227825Stheraven __compressed_pair<_F, _Alloc> __f_; 995227825Stheravenpublic: 996227825Stheraven _LIBCPP_INLINE_VISIBILITY 997227825Stheraven explicit __func(_F __f) : __f_(_VSTD::move(__f)) {} 998227825Stheraven _LIBCPP_INLINE_VISIBILITY 999227825Stheraven explicit __func(_F __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} 1000227825Stheraven virtual __base<_R(_ArgTypes...)>* __clone() const; 1001227825Stheraven virtual void __clone(__base<_R(_ArgTypes...)>*) const; 1002227825Stheraven virtual void destroy() _NOEXCEPT; 1003227825Stheraven virtual void destroy_deallocate() _NOEXCEPT; 1004227825Stheraven virtual _R operator()(_ArgTypes&& ... __arg); 1005227825Stheraven#ifndef _LIBCPP_NO_RTTI 1006227825Stheraven virtual const void* target(const type_info&) const _NOEXCEPT; 1007227825Stheraven virtual const std::type_info& target_type() const _NOEXCEPT; 1008227825Stheraven#endif // _LIBCPP_NO_RTTI 1009227825Stheraven}; 1010227825Stheraven 1011227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1012227825Stheraven__base<_R(_ArgTypes...)>* 1013227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::__clone() const 1014227825Stheraven{ 1015227825Stheraven typedef typename _Alloc::template rebind<__func>::other _A; 1016227825Stheraven _A __a(__f_.second()); 1017227825Stheraven typedef __allocator_destructor<_A> _D; 1018227825Stheraven unique_ptr<__func, _D> __hold(__a.allocate(1), _D(__a, 1)); 1019227825Stheraven ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); 1020227825Stheraven return __hold.release(); 1021227825Stheraven} 1022227825Stheraven 1023227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1024227825Stheravenvoid 1025227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::__clone(__base<_R(_ArgTypes...)>* __p) const 1026227825Stheraven{ 1027227825Stheraven ::new (__p) __func(__f_.first(), __f_.second()); 1028227825Stheraven} 1029227825Stheraven 1030227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1031227825Stheravenvoid 1032227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::destroy() _NOEXCEPT 1033227825Stheraven{ 1034227825Stheraven __f_.~__compressed_pair<_F, _Alloc>(); 1035227825Stheraven} 1036227825Stheraven 1037227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1038227825Stheravenvoid 1039227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::destroy_deallocate() _NOEXCEPT 1040227825Stheraven{ 1041227825Stheraven typedef typename _Alloc::template rebind<__func>::other _A; 1042227825Stheraven _A __a(__f_.second()); 1043227825Stheraven __f_.~__compressed_pair<_F, _Alloc>(); 1044227825Stheraven __a.deallocate(this, 1); 1045227825Stheraven} 1046227825Stheraven 1047227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1048227825Stheraven_R 1049227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg) 1050227825Stheraven{ 1051227825Stheraven return __invoke(__f_.first(), _VSTD::forward<_ArgTypes>(__arg)...); 1052227825Stheraven} 1053227825Stheraven 1054227825Stheraven#ifndef _LIBCPP_NO_RTTI 1055227825Stheraven 1056227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1057227825Stheravenconst void* 1058227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::target(const type_info& __ti) const _NOEXCEPT 1059227825Stheraven{ 1060227825Stheraven if (__ti == typeid(_F)) 1061227825Stheraven return &__f_.first(); 1062227825Stheraven return (const void*)0; 1063227825Stheraven} 1064227825Stheraven 1065227825Stheraventemplate<class _F, class _Alloc, class _R, class ..._ArgTypes> 1066227825Stheravenconst std::type_info& 1067227825Stheraven__func<_F, _Alloc, _R(_ArgTypes...)>::target_type() const _NOEXCEPT 1068227825Stheraven{ 1069227825Stheraven return typeid(_F); 1070227825Stheraven} 1071227825Stheraven 1072227825Stheraven#endif // _LIBCPP_NO_RTTI 1073227825Stheraven 1074227825Stheraven} // __function 1075227825Stheraven 1076227825Stheraventemplate<class _R, class ..._ArgTypes> 1077227825Stheravenclass _LIBCPP_VISIBLE function<_R(_ArgTypes...)> 1078227825Stheraven : public __function::__maybe_derive_from_unary_function<_R(_ArgTypes...)>, 1079227825Stheraven public __function::__maybe_derive_from_binary_function<_R(_ArgTypes...)> 1080227825Stheraven{ 1081227825Stheraven typedef __function::__base<_R(_ArgTypes...)> __base; 1082227825Stheraven aligned_storage<3*sizeof(void*)>::type __buf_; 1083227825Stheraven __base* __f_; 1084227825Stheraven 1085227825Stheraven template <class _F> 1086227825Stheraven _LIBCPP_INLINE_VISIBILITY 1087227825Stheraven static bool __not_null(const _F&) {return true;} 1088227825Stheraven template <class _R2, class ..._A> 1089227825Stheraven _LIBCPP_INLINE_VISIBILITY 1090227825Stheraven static bool __not_null(_R2 (*__p)(_A...)) {return __p;} 1091227825Stheraven template <class _R2, class _C, class ..._A> 1092227825Stheraven _LIBCPP_INLINE_VISIBILITY 1093227825Stheraven static bool __not_null(_R2 (_C::*__p)(_A...)) {return __p;} 1094227825Stheraven template <class _R2, class _C, class ..._A> 1095227825Stheraven _LIBCPP_INLINE_VISIBILITY 1096227825Stheraven static bool __not_null(_R2 (_C::*__p)(_A...) const) {return __p;} 1097227825Stheraven template <class _R2, class _C, class ..._A> 1098227825Stheraven _LIBCPP_INLINE_VISIBILITY 1099227825Stheraven static bool __not_null(_R2 (_C::*__p)(_A...) volatile) {return __p;} 1100227825Stheraven template <class _R2, class _C, class ..._A> 1101227825Stheraven _LIBCPP_INLINE_VISIBILITY 1102227825Stheraven static bool __not_null(_R2 (_C::*__p)(_A...) const volatile) {return __p;} 1103227825Stheraven template <class _R2, class ..._A> 1104227825Stheraven _LIBCPP_INLINE_VISIBILITY 1105227825Stheraven static bool __not_null(const function<_R(_A...)>& __p) {return __p;} 1106227825Stheraven 1107227825Stheraven template <class _F, bool = __invokable<_F&, _ArgTypes...>::value> 1108227825Stheraven struct __callable; 1109227825Stheraven template <class _F> 1110227825Stheraven struct __callable<_F, true> 1111227825Stheraven { 1112227825Stheraven static const bool value = 1113227825Stheraven is_convertible<typename __invoke_of<_F&, _ArgTypes...>::type, 1114227825Stheraven _R>::value; 1115227825Stheraven }; 1116227825Stheraven template <class _F> 1117227825Stheraven struct __callable<_F, false> 1118227825Stheraven { 1119227825Stheraven static const bool value = false; 1120227825Stheraven }; 1121227825Stheravenpublic: 1122227825Stheraven typedef _R result_type; 1123227825Stheraven 1124227825Stheraven // construct/copy/destroy: 1125227825Stheraven _LIBCPP_INLINE_VISIBILITY 1126227825Stheraven function() _NOEXCEPT : __f_(0) {} 1127227825Stheraven _LIBCPP_INLINE_VISIBILITY 1128227825Stheraven function(nullptr_t) _NOEXCEPT : __f_(0) {} 1129227825Stheraven function(const function&); 1130227825Stheraven function(function&&) _NOEXCEPT; 1131227825Stheraven template<class _F> 1132227825Stheraven function(_F, 1133227825Stheraven typename enable_if<__callable<_F>::value>::type* = 0); 1134227825Stheraven 1135227825Stheraven template<class _Alloc> 1136227825Stheraven _LIBCPP_INLINE_VISIBILITY 1137227825Stheraven function(allocator_arg_t, const _Alloc&) _NOEXCEPT : __f_(0) {} 1138227825Stheraven template<class _Alloc> 1139227825Stheraven _LIBCPP_INLINE_VISIBILITY 1140227825Stheraven function(allocator_arg_t, const _Alloc&, nullptr_t) _NOEXCEPT : __f_(0) {} 1141227825Stheraven template<class _Alloc> 1142227825Stheraven function(allocator_arg_t, const _Alloc&, const function&); 1143227825Stheraven template<class _Alloc> 1144227825Stheraven function(allocator_arg_t, const _Alloc&, function&&); 1145227825Stheraven template<class _F, class _Alloc> 1146227825Stheraven function(allocator_arg_t, const _Alloc& __a, _F __f, 1147227825Stheraven typename enable_if<__callable<_F>::value>::type* = 0); 1148227825Stheraven 1149227825Stheraven function& operator=(const function&); 1150227825Stheraven function& operator=(function&&) _NOEXCEPT; 1151227825Stheraven function& operator=(nullptr_t) _NOEXCEPT; 1152227825Stheraven template<class _F> 1153227825Stheraven typename enable_if 1154227825Stheraven < 1155227825Stheraven __callable<typename decay<_F>::type>::value, 1156227825Stheraven function& 1157227825Stheraven >::type 1158227825Stheraven operator=(_F&&); 1159227825Stheraven 1160227825Stheraven ~function(); 1161227825Stheraven 1162227825Stheraven // function modifiers: 1163227825Stheraven void swap(function&) _NOEXCEPT; 1164227825Stheraven template<class _F, class _Alloc> 1165227825Stheraven _LIBCPP_INLINE_VISIBILITY 1166227825Stheraven void assign(_F&& __f, const _Alloc& __a) 1167227825Stheraven {function(allocator_arg, __a, _VSTD::forward<_F>(__f)).swap(*this);} 1168227825Stheraven 1169227825Stheraven // function capacity: 1170227825Stheraven _LIBCPP_INLINE_VISIBILITY 1171227825Stheraven /*explicit*/ operator bool() const _NOEXCEPT {return __f_;} 1172227825Stheraven 1173227825Stheraven // deleted overloads close possible hole in the type system 1174227825Stheraven template<class _R2, class... _ArgTypes2> 1175227825Stheraven bool operator==(const function<_R2(_ArgTypes2...)>&) const = delete; 1176227825Stheraven template<class _R2, class... _ArgTypes2> 1177227825Stheraven bool operator!=(const function<_R2(_ArgTypes2...)>&) const = delete; 1178227825Stheravenpublic: 1179227825Stheraven // function invocation: 1180227825Stheraven _R operator()(_ArgTypes...) const; 1181227825Stheraven 1182227825Stheraven#ifndef _LIBCPP_NO_RTTI 1183227825Stheraven // function target access: 1184227825Stheraven const std::type_info& target_type() const _NOEXCEPT; 1185227825Stheraven template <typename _T> _T* target() _NOEXCEPT; 1186227825Stheraven template <typename _T> const _T* target() const _NOEXCEPT; 1187227825Stheraven#endif // _LIBCPP_NO_RTTI 1188227825Stheraven}; 1189227825Stheraven 1190227825Stheraventemplate<class _R, class ..._ArgTypes> 1191227825Stheravenfunction<_R(_ArgTypes...)>::function(const function& __f) 1192227825Stheraven{ 1193227825Stheraven if (__f.__f_ == 0) 1194227825Stheraven __f_ = 0; 1195227825Stheraven else if (__f.__f_ == (const __base*)&__f.__buf_) 1196227825Stheraven { 1197227825Stheraven __f_ = (__base*)&__buf_; 1198227825Stheraven __f.__f_->__clone(__f_); 1199227825Stheraven } 1200227825Stheraven else 1201227825Stheraven __f_ = __f.__f_->__clone(); 1202227825Stheraven} 1203227825Stheraven 1204227825Stheraventemplate<class _R, class ..._ArgTypes> 1205227825Stheraventemplate <class _Alloc> 1206227825Stheravenfunction<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&, 1207227825Stheraven const function& __f) 1208227825Stheraven{ 1209227825Stheraven if (__f.__f_ == 0) 1210227825Stheraven __f_ = 0; 1211227825Stheraven else if (__f.__f_ == (const __base*)&__f.__buf_) 1212227825Stheraven { 1213227825Stheraven __f_ = (__base*)&__buf_; 1214227825Stheraven __f.__f_->__clone(__f_); 1215227825Stheraven } 1216227825Stheraven else 1217227825Stheraven __f_ = __f.__f_->__clone(); 1218227825Stheraven} 1219227825Stheraven 1220227825Stheraventemplate<class _R, class ..._ArgTypes> 1221227825Stheravenfunction<_R(_ArgTypes...)>::function(function&& __f) _NOEXCEPT 1222227825Stheraven{ 1223227825Stheraven if (__f.__f_ == 0) 1224227825Stheraven __f_ = 0; 1225227825Stheraven else if (__f.__f_ == (__base*)&__f.__buf_) 1226227825Stheraven { 1227227825Stheraven __f_ = (__base*)&__buf_; 1228227825Stheraven __f.__f_->__clone(__f_); 1229227825Stheraven } 1230227825Stheraven else 1231227825Stheraven { 1232227825Stheraven __f_ = __f.__f_; 1233227825Stheraven __f.__f_ = 0; 1234227825Stheraven } 1235227825Stheraven} 1236227825Stheraven 1237227825Stheraventemplate<class _R, class ..._ArgTypes> 1238227825Stheraventemplate <class _Alloc> 1239227825Stheravenfunction<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&, 1240227825Stheraven function&& __f) 1241227825Stheraven{ 1242227825Stheraven if (__f.__f_ == 0) 1243227825Stheraven __f_ = 0; 1244227825Stheraven else if (__f.__f_ == (__base*)&__f.__buf_) 1245227825Stheraven { 1246227825Stheraven __f_ = (__base*)&__buf_; 1247227825Stheraven __f.__f_->__clone(__f_); 1248227825Stheraven } 1249227825Stheraven else 1250227825Stheraven { 1251227825Stheraven __f_ = __f.__f_; 1252227825Stheraven __f.__f_ = 0; 1253227825Stheraven } 1254227825Stheraven} 1255227825Stheraven 1256227825Stheraventemplate<class _R, class ..._ArgTypes> 1257227825Stheraventemplate <class _F> 1258227825Stheravenfunction<_R(_ArgTypes...)>::function(_F __f, 1259227825Stheraven typename enable_if<__callable<_F>::value>::type*) 1260227825Stheraven : __f_(0) 1261227825Stheraven{ 1262227825Stheraven if (__not_null(__f)) 1263227825Stheraven { 1264227825Stheraven typedef __function::__func<_F, allocator<_F>, _R(_ArgTypes...)> _FF; 1265227825Stheraven if (sizeof(_FF) <= sizeof(__buf_) && is_nothrow_copy_constructible<_F>::value) 1266227825Stheraven { 1267227825Stheraven __f_ = (__base*)&__buf_; 1268227825Stheraven ::new (__f_) _FF(_VSTD::move(__f)); 1269227825Stheraven } 1270227825Stheraven else 1271227825Stheraven { 1272227825Stheraven typedef allocator<_FF> _A; 1273227825Stheraven _A __a; 1274227825Stheraven typedef __allocator_destructor<_A> _D; 1275227825Stheraven unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1)); 1276227825Stheraven ::new (__hold.get()) _FF(_VSTD::move(__f), allocator<_F>(__a)); 1277227825Stheraven __f_ = __hold.release(); 1278227825Stheraven } 1279227825Stheraven } 1280227825Stheraven} 1281227825Stheraven 1282227825Stheraventemplate<class _R, class ..._ArgTypes> 1283227825Stheraventemplate <class _F, class _Alloc> 1284227825Stheravenfunction<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc& __a0, _F __f, 1285227825Stheraven typename enable_if<__callable<_F>::value>::type*) 1286227825Stheraven : __f_(0) 1287227825Stheraven{ 1288227825Stheraven typedef allocator_traits<_Alloc> __alloc_traits; 1289227825Stheraven if (__not_null(__f)) 1290227825Stheraven { 1291227825Stheraven typedef __function::__func<_F, _Alloc, _R(_ArgTypes...)> _FF; 1292227825Stheraven if (sizeof(_FF) <= sizeof(__buf_) && is_nothrow_copy_constructible<_F>::value) 1293227825Stheraven { 1294227825Stheraven __f_ = (__base*)&__buf_; 1295227825Stheraven ::new (__f_) _FF(_VSTD::move(__f)); 1296227825Stheraven } 1297227825Stheraven else 1298227825Stheraven { 1299227825Stheraven typedef typename __alloc_traits::template 1300227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1301227825Stheraven rebind_alloc<_FF> 1302227825Stheraven#else 1303227825Stheraven rebind_alloc<_FF>::other 1304227825Stheraven#endif 1305227825Stheraven _A; 1306227825Stheraven _A __a(__a0); 1307227825Stheraven typedef __allocator_destructor<_A> _D; 1308227825Stheraven unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1)); 1309227825Stheraven ::new (__hold.get()) _FF(_VSTD::move(__f), _Alloc(__a)); 1310227825Stheraven __f_ = __hold.release(); 1311227825Stheraven } 1312227825Stheraven } 1313227825Stheraven} 1314227825Stheraven 1315227825Stheraventemplate<class _R, class ..._ArgTypes> 1316227825Stheravenfunction<_R(_ArgTypes...)>& 1317227825Stheravenfunction<_R(_ArgTypes...)>::operator=(const function& __f) 1318227825Stheraven{ 1319227825Stheraven function(__f).swap(*this); 1320227825Stheraven return *this; 1321227825Stheraven} 1322227825Stheraven 1323227825Stheraventemplate<class _R, class ..._ArgTypes> 1324227825Stheravenfunction<_R(_ArgTypes...)>& 1325227825Stheravenfunction<_R(_ArgTypes...)>::operator=(function&& __f) _NOEXCEPT 1326227825Stheraven{ 1327227825Stheraven if (__f_ == (__base*)&__buf_) 1328227825Stheraven __f_->destroy(); 1329227825Stheraven else if (__f_) 1330227825Stheraven __f_->destroy_deallocate(); 1331227825Stheraven __f_ = 0; 1332227825Stheraven if (__f.__f_ == 0) 1333227825Stheraven __f_ = 0; 1334227825Stheraven else if (__f.__f_ == (__base*)&__f.__buf_) 1335227825Stheraven { 1336227825Stheraven __f_ = (__base*)&__buf_; 1337227825Stheraven __f.__f_->__clone(__f_); 1338227825Stheraven } 1339227825Stheraven else 1340227825Stheraven { 1341227825Stheraven __f_ = __f.__f_; 1342227825Stheraven __f.__f_ = 0; 1343227825Stheraven } 1344227825Stheraven} 1345227825Stheraven 1346227825Stheraventemplate<class _R, class ..._ArgTypes> 1347227825Stheravenfunction<_R(_ArgTypes...)>& 1348227825Stheravenfunction<_R(_ArgTypes...)>::operator=(nullptr_t) _NOEXCEPT 1349227825Stheraven{ 1350227825Stheraven if (__f_ == (__base*)&__buf_) 1351227825Stheraven __f_->destroy(); 1352227825Stheraven else if (__f_) 1353227825Stheraven __f_->destroy_deallocate(); 1354227825Stheraven __f_ = 0; 1355227825Stheraven} 1356227825Stheraven 1357227825Stheraventemplate<class _R, class ..._ArgTypes> 1358227825Stheraventemplate <class _F> 1359227825Stheraventypename enable_if 1360227825Stheraven< 1361227825Stheraven function<_R(_ArgTypes...)>::template __callable<typename decay<_F>::type>::value, 1362227825Stheraven function<_R(_ArgTypes...)>& 1363227825Stheraven>::type 1364227825Stheravenfunction<_R(_ArgTypes...)>::operator=(_F&& __f) 1365227825Stheraven{ 1366227825Stheraven function(_VSTD::forward<_F>(__f)).swap(*this); 1367227825Stheraven return *this; 1368227825Stheraven} 1369227825Stheraven 1370227825Stheraventemplate<class _R, class ..._ArgTypes> 1371227825Stheravenfunction<_R(_ArgTypes...)>::~function() 1372227825Stheraven{ 1373227825Stheraven if (__f_ == (__base*)&__buf_) 1374227825Stheraven __f_->destroy(); 1375227825Stheraven else if (__f_) 1376227825Stheraven __f_->destroy_deallocate(); 1377227825Stheraven} 1378227825Stheraven 1379227825Stheraventemplate<class _R, class ..._ArgTypes> 1380227825Stheravenvoid 1381227825Stheravenfunction<_R(_ArgTypes...)>::swap(function& __f) _NOEXCEPT 1382227825Stheraven{ 1383227825Stheraven if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) 1384227825Stheraven { 1385227825Stheraven typename aligned_storage<sizeof(__buf_)>::type __tempbuf; 1386227825Stheraven __base* __t = (__base*)&__tempbuf; 1387227825Stheraven __f_->__clone(__t); 1388227825Stheraven __f_->destroy(); 1389227825Stheraven __f_ = 0; 1390227825Stheraven __f.__f_->__clone((__base*)&__buf_); 1391227825Stheraven __f.__f_->destroy(); 1392227825Stheraven __f.__f_ = 0; 1393227825Stheraven __f_ = (__base*)&__buf_; 1394227825Stheraven __t->__clone((__base*)&__f.__buf_); 1395227825Stheraven __t->destroy(); 1396227825Stheraven __f.__f_ = (__base*)&__f.__buf_; 1397227825Stheraven } 1398227825Stheraven else if (__f_ == (__base*)&__buf_) 1399227825Stheraven { 1400227825Stheraven __f_->__clone((__base*)&__f.__buf_); 1401227825Stheraven __f_->destroy(); 1402227825Stheraven __f_ = __f.__f_; 1403227825Stheraven __f.__f_ = (__base*)&__f.__buf_; 1404227825Stheraven } 1405227825Stheraven else if (__f.__f_ == (__base*)&__f.__buf_) 1406227825Stheraven { 1407227825Stheraven __f.__f_->__clone((__base*)&__buf_); 1408227825Stheraven __f.__f_->destroy(); 1409227825Stheraven __f.__f_ = __f_; 1410227825Stheraven __f_ = (__base*)&__buf_; 1411227825Stheraven } 1412227825Stheraven else 1413227825Stheraven _VSTD::swap(__f_, __f.__f_); 1414227825Stheraven} 1415227825Stheraven 1416227825Stheraventemplate<class _R, class ..._ArgTypes> 1417227825Stheraven_R 1418227825Stheravenfunction<_R(_ArgTypes...)>::operator()(_ArgTypes... __arg) const 1419227825Stheraven{ 1420227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 1421227825Stheraven if (__f_ == 0) 1422227825Stheraven throw bad_function_call(); 1423227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 1424227825Stheraven return (*__f_)(_VSTD::forward<_ArgTypes>(__arg)...); 1425227825Stheraven} 1426227825Stheraven 1427227825Stheraven#ifndef _LIBCPP_NO_RTTI 1428227825Stheraven 1429227825Stheraventemplate<class _R, class ..._ArgTypes> 1430227825Stheravenconst std::type_info& 1431227825Stheravenfunction<_R(_ArgTypes...)>::target_type() const _NOEXCEPT 1432227825Stheraven{ 1433227825Stheraven if (__f_ == 0) 1434227825Stheraven return typeid(void); 1435227825Stheraven return __f_->target_type(); 1436227825Stheraven} 1437227825Stheraven 1438227825Stheraventemplate<class _R, class ..._ArgTypes> 1439227825Stheraventemplate <typename _T> 1440227825Stheraven_T* 1441227825Stheravenfunction<_R(_ArgTypes...)>::target() _NOEXCEPT 1442227825Stheraven{ 1443227825Stheraven if (__f_ == 0) 1444227825Stheraven return (_T*)0; 1445227825Stheraven return (_T*)__f_->target(typeid(_T)); 1446227825Stheraven} 1447227825Stheraven 1448227825Stheraventemplate<class _R, class ..._ArgTypes> 1449227825Stheraventemplate <typename _T> 1450227825Stheravenconst _T* 1451227825Stheravenfunction<_R(_ArgTypes...)>::target() const _NOEXCEPT 1452227825Stheraven{ 1453227825Stheraven if (__f_ == 0) 1454227825Stheraven return (const _T*)0; 1455227825Stheraven return (const _T*)__f_->target(typeid(_T)); 1456227825Stheraven} 1457227825Stheraven 1458227825Stheraven#endif // _LIBCPP_NO_RTTI 1459227825Stheraven 1460227825Stheraventemplate <class _R, class... _ArgTypes> 1461227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1462227825Stheravenbool 1463227825Stheravenoperator==(const function<_R(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return !__f;} 1464227825Stheraven 1465227825Stheraventemplate <class _R, class... _ArgTypes> 1466227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1467227825Stheravenbool 1468227825Stheravenoperator==(nullptr_t, const function<_R(_ArgTypes...)>& __f) _NOEXCEPT {return !__f;} 1469227825Stheraven 1470227825Stheraventemplate <class _R, class... _ArgTypes> 1471227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1472227825Stheravenbool 1473227825Stheravenoperator!=(const function<_R(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return (bool)__f;} 1474227825Stheraven 1475227825Stheraventemplate <class _R, class... _ArgTypes> 1476227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1477227825Stheravenbool 1478227825Stheravenoperator!=(nullptr_t, const function<_R(_ArgTypes...)>& __f) _NOEXCEPT {return (bool)__f;} 1479227825Stheraven 1480227825Stheraventemplate <class _R, class... _ArgTypes> 1481227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1482227825Stheravenvoid 1483227825Stheravenswap(function<_R(_ArgTypes...)>& __x, function<_R(_ArgTypes...)>& __y) _NOEXCEPT 1484227825Stheraven{return __x.swap(__y);} 1485227825Stheraven 1486227825Stheraventemplate<class _Tp> struct __is_bind_expression : public false_type {}; 1487227825Stheraventemplate<class _Tp> struct _LIBCPP_VISIBLE is_bind_expression 1488227825Stheraven : public __is_bind_expression<typename remove_cv<_Tp>::type> {}; 1489227825Stheraven 1490227825Stheraventemplate<class _Tp> struct __is_placeholder : public integral_constant<int, 0> {}; 1491227825Stheraventemplate<class _Tp> struct _LIBCPP_VISIBLE is_placeholder 1492227825Stheraven : public __is_placeholder<typename remove_cv<_Tp>::type> {}; 1493227825Stheraven 1494227825Stheravennamespace placeholders 1495227825Stheraven{ 1496227825Stheraven 1497227825Stheraventemplate <int _N> struct __ph {}; 1498227825Stheraven 1499227825Stheravenextern __ph<1> _1; 1500227825Stheravenextern __ph<2> _2; 1501227825Stheravenextern __ph<3> _3; 1502227825Stheravenextern __ph<4> _4; 1503227825Stheravenextern __ph<5> _5; 1504227825Stheravenextern __ph<6> _6; 1505227825Stheravenextern __ph<7> _7; 1506227825Stheravenextern __ph<8> _8; 1507227825Stheravenextern __ph<9> _9; 1508227825Stheravenextern __ph<10> _10; 1509227825Stheraven 1510227825Stheraven} // placeholders 1511227825Stheraven 1512227825Stheraventemplate<int _N> 1513227825Stheravenstruct __is_placeholder<placeholders::__ph<_N> > 1514227825Stheraven : public integral_constant<int, _N> {}; 1515227825Stheraven 1516227825Stheraventemplate <class _Tp, class _Uj> 1517227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1518227825Stheraven_Tp& 1519227825Stheraven__mu(reference_wrapper<_Tp> __t, _Uj&) 1520227825Stheraven{ 1521227825Stheraven return __t.get(); 1522227825Stheraven} 1523227825Stheraven 1524227825Stheraventemplate <class _Ti, class ..._Uj, size_t ..._Indx> 1525227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1526227825Stheraventypename __invoke_of<_Ti&, _Uj...>::type 1527227825Stheraven__mu_expand(_Ti& __ti, tuple<_Uj...>& __uj, __tuple_indices<_Indx...>) 1528227825Stheraven{ 1529227825Stheraven return __ti(_VSTD::forward<_Uj>(get<_Indx>(__uj))...); 1530227825Stheraven} 1531227825Stheraven 1532227825Stheraventemplate <class _Ti, class ..._Uj> 1533227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1534227825Stheraventypename enable_if 1535227825Stheraven< 1536227825Stheraven is_bind_expression<_Ti>::value, 1537227825Stheraven typename __invoke_of<_Ti&, _Uj...>::type 1538227825Stheraven>::type 1539227825Stheraven__mu(_Ti& __ti, tuple<_Uj...>& __uj) 1540227825Stheraven{ 1541227825Stheraven typedef typename __make_tuple_indices<sizeof...(_Uj)>::type __indices; 1542227825Stheraven return __mu_expand(__ti, __uj, __indices()); 1543227825Stheraven} 1544227825Stheraven 1545227825Stheraventemplate <bool IsPh, class _Ti, class _Uj> 1546227825Stheravenstruct __mu_return2 {}; 1547227825Stheraven 1548227825Stheraventemplate <class _Ti, class _Uj> 1549227825Stheravenstruct __mu_return2<true, _Ti, _Uj> 1550227825Stheraven{ 1551227825Stheraven typedef typename tuple_element<is_placeholder<_Ti>::value - 1, _Uj>::type type; 1552227825Stheraven}; 1553227825Stheraven 1554227825Stheraventemplate <class _Ti, class _Uj> 1555227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1556227825Stheraventypename enable_if 1557227825Stheraven< 1558227825Stheraven 0 < is_placeholder<_Ti>::value, 1559227825Stheraven typename __mu_return2<0 < is_placeholder<_Ti>::value, _Ti, _Uj>::type 1560227825Stheraven>::type 1561227825Stheraven__mu(_Ti&, _Uj& __uj) 1562227825Stheraven{ 1563227825Stheraven const size_t _Indx = is_placeholder<_Ti>::value - 1; 1564227825Stheraven return _VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj)); 1565227825Stheraven} 1566227825Stheraven 1567227825Stheraventemplate <class _Ti, class _Uj> 1568227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1569227825Stheraventypename enable_if 1570227825Stheraven< 1571227825Stheraven !is_bind_expression<_Ti>::value && 1572227825Stheraven is_placeholder<_Ti>::value == 0 && 1573227825Stheraven !__is_reference_wrapper<_Ti>::value, 1574227825Stheraven _Ti& 1575227825Stheraven>::type 1576227825Stheraven__mu(_Ti& __ti, _Uj& __uj) 1577227825Stheraven{ 1578227825Stheraven return __ti; 1579227825Stheraven} 1580227825Stheraven 1581227825Stheraventemplate <class _Ti, bool IsReferenceWrapper, bool IsBindEx, bool IsPh, 1582227825Stheraven class _TupleUj> 1583227825Stheravenstruct ____mu_return; 1584227825Stheraven 1585227825Stheraventemplate <class _Ti, class ..._Uj> 1586227825Stheravenstruct ____mu_return<_Ti, false, true, false, tuple<_Uj...> > 1587227825Stheraven{ 1588227825Stheraven typedef typename __invoke_of<_Ti&, _Uj...>::type type; 1589227825Stheraven}; 1590227825Stheraven 1591227825Stheraventemplate <class _Ti, class _TupleUj> 1592227825Stheravenstruct ____mu_return<_Ti, false, false, true, _TupleUj> 1593227825Stheraven{ 1594227825Stheraven typedef typename tuple_element<is_placeholder<_Ti>::value - 1, 1595227825Stheraven _TupleUj>::type&& type; 1596227825Stheraven}; 1597227825Stheraven 1598227825Stheraventemplate <class _Ti, class _TupleUj> 1599227825Stheravenstruct ____mu_return<_Ti, true, false, false, _TupleUj> 1600227825Stheraven{ 1601227825Stheraven typedef typename _Ti::type& type; 1602227825Stheraven}; 1603227825Stheraven 1604227825Stheraventemplate <class _Ti, class _TupleUj> 1605227825Stheravenstruct ____mu_return<_Ti, false, false, false, _TupleUj> 1606227825Stheraven{ 1607227825Stheraven typedef _Ti& type; 1608227825Stheraven}; 1609227825Stheraven 1610227825Stheraventemplate <class _Ti, class _TupleUj> 1611227825Stheravenstruct __mu_return 1612227825Stheraven : public ____mu_return<_Ti, 1613227825Stheraven __is_reference_wrapper<_Ti>::value, 1614227825Stheraven is_bind_expression<_Ti>::value, 1615227825Stheraven 0 < is_placeholder<_Ti>::value, 1616227825Stheraven _TupleUj> 1617227825Stheraven{ 1618227825Stheraven}; 1619227825Stheraven 1620227825Stheraventemplate <class _F, class _BoundArgs, class _TupleUj> 1621227825Stheravenstruct __bind_return; 1622227825Stheraven 1623227825Stheraventemplate <class _F, class ..._BoundArgs, class _TupleUj> 1624227825Stheravenstruct __bind_return<_F, tuple<_BoundArgs...>, _TupleUj> 1625227825Stheraven{ 1626227825Stheraven typedef typename __invoke_of 1627227825Stheraven < 1628227825Stheraven _F&, 1629227825Stheraven typename __mu_return 1630227825Stheraven < 1631227825Stheraven _BoundArgs, 1632227825Stheraven _TupleUj 1633227825Stheraven >::type... 1634227825Stheraven >::type type; 1635227825Stheraven}; 1636227825Stheraven 1637227825Stheraventemplate <class _F, class ..._BoundArgs, class _TupleUj> 1638227825Stheravenstruct __bind_return<_F, const tuple<_BoundArgs...>, _TupleUj> 1639227825Stheraven{ 1640227825Stheraven typedef typename __invoke_of 1641227825Stheraven < 1642227825Stheraven _F&, 1643227825Stheraven typename __mu_return 1644227825Stheraven < 1645227825Stheraven const _BoundArgs, 1646227825Stheraven _TupleUj 1647227825Stheraven >::type... 1648227825Stheraven >::type type; 1649227825Stheraven}; 1650227825Stheraven 1651227825Stheraventemplate <class _F, class _BoundArgs, size_t ..._Indx, class _Args> 1652227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1653227825Stheraventypename __bind_return<_F, _BoundArgs, _Args>::type 1654227825Stheraven__apply_functor(_F& __f, _BoundArgs& __bound_args, __tuple_indices<_Indx...>, 1655227825Stheraven _Args&& __args) 1656227825Stheraven{ 1657227825Stheraven return __invoke(__f, __mu(get<_Indx>(__bound_args), __args)...); 1658227825Stheraven} 1659227825Stheraven 1660227825Stheraventemplate<class _F, class ..._BoundArgs> 1661227825Stheravenclass __bind 1662227825Stheraven : public __weak_result_type<typename decay<_F>::type> 1663227825Stheraven{ 1664227825Stheraven typedef typename decay<_F>::type _Fd; 1665227825Stheraven typedef tuple<typename decay<_BoundArgs>::type...> _Td; 1666227825Stheraven _Fd __f_; 1667227825Stheraven _Td __bound_args_; 1668227825Stheraven 1669227825Stheraven typedef typename __make_tuple_indices<sizeof...(_BoundArgs)>::type __indices; 1670227825Stheravenpublic: 1671227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 1672227825Stheraven 1673227825Stheraven _LIBCPP_INLINE_VISIBILITY 1674227825Stheraven __bind(const __bind& __b) 1675227825Stheraven : __f_(__b.__f_), 1676227825Stheraven __bound_args_(__b.__bound_args_) {} 1677227825Stheraven 1678227825Stheraven _LIBCPP_INLINE_VISIBILITY 1679227825Stheraven __bind& operator=(const __bind& __b) 1680227825Stheraven { 1681227825Stheraven __f_ = __b.__f_; 1682227825Stheraven __bound_args_ = __b.__bound_args_; 1683227825Stheraven return *this; 1684227825Stheraven } 1685227825Stheraven 1686227825Stheraven _LIBCPP_INLINE_VISIBILITY 1687227825Stheraven __bind(__bind&& __b) 1688227825Stheraven : __f_(_VSTD::move(__b.__f_)), 1689227825Stheraven __bound_args_(_VSTD::move(__b.__bound_args_)) {} 1690227825Stheraven 1691227825Stheraven _LIBCPP_INLINE_VISIBILITY 1692227825Stheraven __bind& operator=(__bind&& __b) 1693227825Stheraven { 1694227825Stheraven __f_ = _VSTD::move(__b.__f_); 1695227825Stheraven __bound_args_ = _VSTD::move(__b.__bound_args_); 1696227825Stheraven return *this; 1697227825Stheraven } 1698227825Stheraven 1699227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 1700227825Stheraven 1701227825Stheraven template <class _G, class ..._BA> 1702227825Stheraven _LIBCPP_INLINE_VISIBILITY 1703227825Stheraven explicit __bind(_G&& __f, _BA&& ...__bound_args) 1704227825Stheraven : __f_(_VSTD::forward<_G>(__f)), 1705227825Stheraven __bound_args_(_VSTD::forward<_BA>(__bound_args)...) {} 1706227825Stheraven 1707227825Stheraven template <class ..._Args> 1708227825Stheraven _LIBCPP_INLINE_VISIBILITY 1709227825Stheraven typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type 1710227825Stheraven operator()(_Args&& ...__args) 1711227825Stheraven { 1712227825Stheraven return __apply_functor(__f_, __bound_args_, __indices(), 1713227825Stheraven tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...)); 1714227825Stheraven } 1715227825Stheraven 1716227825Stheraven template <class ..._Args> 1717227825Stheraven _LIBCPP_INLINE_VISIBILITY 1718227825Stheraven typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type 1719227825Stheraven operator()(_Args&& ...__args) const 1720227825Stheraven { 1721227825Stheraven return __apply_functor(__f_, __bound_args_, __indices(), 1722227825Stheraven tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...)); 1723227825Stheraven } 1724227825Stheraven}; 1725227825Stheraven 1726227825Stheraventemplate<class _F, class ..._BoundArgs> 1727227825Stheravenstruct __is_bind_expression<__bind<_F, _BoundArgs...> > : public true_type {}; 1728227825Stheraven 1729227825Stheraventemplate<class _R, class _F, class ..._BoundArgs> 1730227825Stheravenclass __bind_r 1731227825Stheraven : public __bind<_F, _BoundArgs...> 1732227825Stheraven{ 1733227825Stheraven typedef __bind<_F, _BoundArgs...> base; 1734227825Stheravenpublic: 1735227825Stheraven typedef _R result_type; 1736227825Stheraven 1737227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 1738227825Stheraven 1739227825Stheraven _LIBCPP_INLINE_VISIBILITY 1740227825Stheraven __bind_r(const __bind_r& __b) 1741227825Stheraven : base(_VSTD::forward<const base&>(__b)) {} 1742227825Stheraven 1743227825Stheraven _LIBCPP_INLINE_VISIBILITY 1744227825Stheraven __bind_r& operator=(const __bind_r& __b) 1745227825Stheraven { 1746227825Stheraven base::operator=(_VSTD::forward<const base&>(__b)); 1747227825Stheraven return *this; 1748227825Stheraven } 1749227825Stheraven 1750227825Stheraven _LIBCPP_INLINE_VISIBILITY 1751227825Stheraven __bind_r(__bind_r&& __b) 1752227825Stheraven : base(_VSTD::forward<base>(__b)) {} 1753227825Stheraven 1754227825Stheraven _LIBCPP_INLINE_VISIBILITY 1755227825Stheraven __bind_r& operator=(__bind_r&& __b) 1756227825Stheraven { 1757227825Stheraven base::operator=(_VSTD::forward<base>(__b)); 1758227825Stheraven return *this; 1759227825Stheraven } 1760227825Stheraven 1761227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 1762227825Stheraven 1763227825Stheraven template <class _G, class ..._BA> 1764227825Stheraven _LIBCPP_INLINE_VISIBILITY 1765227825Stheraven explicit __bind_r(_G&& __f, _BA&& ...__bound_args) 1766227825Stheraven : base(_VSTD::forward<_G>(__f), 1767227825Stheraven _VSTD::forward<_BA>(__bound_args)...) {} 1768227825Stheraven 1769227825Stheraven template <class ..._Args> 1770227825Stheraven _LIBCPP_INLINE_VISIBILITY 1771227825Stheraven result_type 1772227825Stheraven operator()(_Args&& ...__args) 1773227825Stheraven { 1774227825Stheraven return base::operator()(_VSTD::forward<_Args>(__args)...); 1775227825Stheraven } 1776227825Stheraven 1777227825Stheraven template <class ..._Args> 1778227825Stheraven _LIBCPP_INLINE_VISIBILITY 1779227825Stheraven result_type 1780227825Stheraven operator()(_Args&& ...__args) const 1781227825Stheraven { 1782227825Stheraven return base::operator()(_VSTD::forward<_Args>(__args)...); 1783227825Stheraven } 1784227825Stheraven}; 1785227825Stheraven 1786227825Stheraventemplate<class _R, class _F, class ..._BoundArgs> 1787227825Stheravenstruct __is_bind_expression<__bind_r<_R, _F, _BoundArgs...> > : public true_type {}; 1788227825Stheraven 1789227825Stheraventemplate<class _F, class ..._BoundArgs> 1790227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1791227825Stheraven__bind<_F, _BoundArgs...> 1792227825Stheravenbind(_F&& __f, _BoundArgs&&... __bound_args) 1793227825Stheraven{ 1794227825Stheraven typedef __bind<_F, _BoundArgs...> type; 1795227825Stheraven return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...); 1796227825Stheraven} 1797227825Stheraven 1798227825Stheraventemplate<class _R, class _F, class ..._BoundArgs> 1799227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1800227825Stheraven__bind_r<_R, _F, _BoundArgs...> 1801227825Stheravenbind(_F&& __f, _BoundArgs&&... __bound_args) 1802227825Stheraven{ 1803227825Stheraven typedef __bind_r<_R, _F, _BoundArgs...> type; 1804227825Stheraven return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...); 1805227825Stheraven} 1806227825Stheraven 1807227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1808227825Stheraven 1809227825Stheraventemplate <> 1810227825Stheravenstruct _LIBCPP_VISIBLE hash<bool> 1811227825Stheraven : public unary_function<bool, size_t> 1812227825Stheraven{ 1813227825Stheraven _LIBCPP_INLINE_VISIBILITY 1814227825Stheraven size_t operator()(bool __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1815227825Stheraven}; 1816227825Stheraven 1817227825Stheraventemplate <> 1818227825Stheravenstruct _LIBCPP_VISIBLE hash<char> 1819227825Stheraven : public unary_function<char, size_t> 1820227825Stheraven{ 1821227825Stheraven _LIBCPP_INLINE_VISIBILITY 1822227825Stheraven size_t operator()(char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1823227825Stheraven}; 1824227825Stheraven 1825227825Stheraventemplate <> 1826227825Stheravenstruct _LIBCPP_VISIBLE hash<signed char> 1827227825Stheraven : public unary_function<signed char, size_t> 1828227825Stheraven{ 1829227825Stheraven _LIBCPP_INLINE_VISIBILITY 1830227825Stheraven size_t operator()(signed char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1831227825Stheraven}; 1832227825Stheraven 1833227825Stheraventemplate <> 1834227825Stheravenstruct _LIBCPP_VISIBLE hash<unsigned char> 1835227825Stheraven : public unary_function<unsigned char, size_t> 1836227825Stheraven{ 1837227825Stheraven _LIBCPP_INLINE_VISIBILITY 1838227825Stheraven size_t operator()(unsigned char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1839227825Stheraven}; 1840227825Stheraven 1841227825Stheraven#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 1842227825Stheraven 1843227825Stheraventemplate <> 1844227825Stheravenstruct _LIBCPP_VISIBLE hash<char16_t> 1845227825Stheraven : public unary_function<char16_t, size_t> 1846227825Stheraven{ 1847227825Stheraven _LIBCPP_INLINE_VISIBILITY 1848227825Stheraven size_t operator()(char16_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1849227825Stheraven}; 1850227825Stheraven 1851227825Stheraventemplate <> 1852227825Stheravenstruct _LIBCPP_VISIBLE hash<char32_t> 1853227825Stheraven : public unary_function<char32_t, size_t> 1854227825Stheraven{ 1855227825Stheraven _LIBCPP_INLINE_VISIBILITY 1856227825Stheraven size_t operator()(char32_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1857227825Stheraven}; 1858227825Stheraven 1859227825Stheraven#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 1860227825Stheraven 1861227825Stheraventemplate <> 1862227825Stheravenstruct _LIBCPP_VISIBLE hash<wchar_t> 1863227825Stheraven : public unary_function<wchar_t, size_t> 1864227825Stheraven{ 1865227825Stheraven _LIBCPP_INLINE_VISIBILITY 1866227825Stheraven size_t operator()(wchar_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1867227825Stheraven}; 1868227825Stheraven 1869227825Stheraventemplate <> 1870227825Stheravenstruct _LIBCPP_VISIBLE hash<short> 1871227825Stheraven : public unary_function<short, size_t> 1872227825Stheraven{ 1873227825Stheraven _LIBCPP_INLINE_VISIBILITY 1874227825Stheraven size_t operator()(short __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1875227825Stheraven}; 1876227825Stheraven 1877227825Stheraventemplate <> 1878227825Stheravenstruct _LIBCPP_VISIBLE hash<unsigned short> 1879227825Stheraven : public unary_function<unsigned short, size_t> 1880227825Stheraven{ 1881227825Stheraven _LIBCPP_INLINE_VISIBILITY 1882227825Stheraven size_t operator()(unsigned short __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1883227825Stheraven}; 1884227825Stheraven 1885227825Stheraventemplate <> 1886227825Stheravenstruct _LIBCPP_VISIBLE hash<int> 1887227825Stheraven : public unary_function<int, size_t> 1888227825Stheraven{ 1889227825Stheraven _LIBCPP_INLINE_VISIBILITY 1890227825Stheraven size_t operator()(int __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1891227825Stheraven}; 1892227825Stheraven 1893227825Stheraventemplate <> 1894227825Stheravenstruct _LIBCPP_VISIBLE hash<unsigned int> 1895227825Stheraven : public unary_function<unsigned int, size_t> 1896227825Stheraven{ 1897227825Stheraven _LIBCPP_INLINE_VISIBILITY 1898227825Stheraven size_t operator()(unsigned int __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1899227825Stheraven}; 1900227825Stheraven 1901227825Stheraventemplate <> 1902227825Stheravenstruct _LIBCPP_VISIBLE hash<long> 1903227825Stheraven : public unary_function<long, size_t> 1904227825Stheraven{ 1905227825Stheraven _LIBCPP_INLINE_VISIBILITY 1906227825Stheraven size_t operator()(long __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1907227825Stheraven}; 1908227825Stheraven 1909227825Stheraventemplate <> 1910227825Stheravenstruct _LIBCPP_VISIBLE hash<unsigned long> 1911227825Stheraven : public unary_function<unsigned long, size_t> 1912227825Stheraven{ 1913227825Stheraven _LIBCPP_INLINE_VISIBILITY 1914227825Stheraven size_t operator()(unsigned long __v) const _NOEXCEPT {return static_cast<size_t>(__v);} 1915227825Stheraven}; 1916227825Stheraven 1917227825Stheraventemplate <> 1918227825Stheravenstruct _LIBCPP_VISIBLE hash<long long> 1919227825Stheraven : public unary_function<long long, size_t> 1920227825Stheraven{ 1921227825Stheraven _LIBCPP_INLINE_VISIBILITY 1922227825Stheraven size_t operator()(long long __v) const _NOEXCEPT 1923227825Stheraven { 1924227825Stheraven size_t __r = 0; 1925227825Stheraven const size_t* const __p = reinterpret_cast<const size_t*>(&__v); 1926227825Stheraven for (unsigned __i = 0; __i < sizeof(argument_type)/sizeof(size_t); ++__i) 1927227825Stheraven __r ^= __p[__i]; 1928227825Stheraven return __r; 1929227825Stheraven } 1930227825Stheraven}; 1931227825Stheraven 1932227825Stheraventemplate <> 1933227825Stheravenstruct _LIBCPP_VISIBLE hash<unsigned long long> 1934227825Stheraven : public unary_function<unsigned long long, size_t> 1935227825Stheraven{ 1936227825Stheraven _LIBCPP_INLINE_VISIBILITY 1937227825Stheraven size_t operator()(unsigned long long __v) const _NOEXCEPT 1938227825Stheraven { 1939227825Stheraven size_t __r = 0; 1940227825Stheraven const size_t* const __p = reinterpret_cast<const size_t*>(&__v); 1941227825Stheraven for (unsigned __i = 0; __i < sizeof(argument_type)/sizeof(size_t); ++__i) 1942227825Stheraven __r ^= __p[__i]; 1943227825Stheraven return __r; 1944227825Stheraven } 1945227825Stheraven}; 1946227825Stheraven 1947227825Stheraventemplate <> 1948227825Stheravenstruct _LIBCPP_VISIBLE hash<float> 1949227825Stheraven : public unary_function<float, size_t> 1950227825Stheraven{ 1951227825Stheraven _LIBCPP_INLINE_VISIBILITY 1952227825Stheraven size_t operator()(float __v) const _NOEXCEPT 1953227825Stheraven { 1954227825Stheraven if (__v == 0) 1955227825Stheraven return 0; 1956227825Stheraven const size_t* const __p = reinterpret_cast<const size_t*>(&__v); 1957227825Stheraven return *__p; 1958227825Stheraven } 1959227825Stheraven}; 1960227825Stheraven 1961227825Stheraventemplate <> 1962227825Stheravenstruct _LIBCPP_VISIBLE hash<double> 1963227825Stheraven : public unary_function<double, size_t> 1964227825Stheraven{ 1965227825Stheraven _LIBCPP_INLINE_VISIBILITY 1966227825Stheraven size_t operator()(double __v) const _NOEXCEPT 1967227825Stheraven { 1968227825Stheraven if (__v == 0) 1969227825Stheraven return 0; 1970227825Stheraven size_t __r = 0; 1971227825Stheraven const size_t* const __p = reinterpret_cast<const size_t*>(&__v); 1972227825Stheraven for (unsigned __i = 0; __i < sizeof(argument_type)/sizeof(size_t); ++__i) 1973227825Stheraven __r ^= __p[__i]; 1974227825Stheraven return __r; 1975227825Stheraven } 1976227825Stheraven}; 1977227825Stheraven 1978227825Stheraventemplate <> 1979227825Stheravenstruct _LIBCPP_VISIBLE hash<long double> 1980227825Stheraven : public unary_function<long double, size_t> 1981227825Stheraven{ 1982227825Stheraven _LIBCPP_INLINE_VISIBILITY 1983227825Stheraven size_t operator()(long double __v) const _NOEXCEPT 1984227825Stheraven { 1985227825Stheraven if (__v == 0) 1986227825Stheraven return 0; 1987227825Stheraven size_t __r = 0; 1988227825Stheraven const size_t* const __p = reinterpret_cast<const size_t*>(&__v); 1989227825Stheraven for (unsigned __i = 0; __i < sizeof(argument_type)/sizeof(size_t); ++__i) 1990227825Stheraven __r ^= __p[__i]; 1991227825Stheraven return __r; 1992227825Stheraven } 1993227825Stheraven}; 1994227825Stheraven 1995227825Stheraven// struct hash<T*> in <memory> 1996227825Stheraven 1997227825Stheraven_LIBCPP_END_NAMESPACE_STD 1998227825Stheraven 1999227825Stheraven#endif // _LIBCPP_FUNCTIONAL 2000