1//===----------------------------------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef _LIBCPP___ALGORITHM_RANGES_ALL_OF_H 10#define _LIBCPP___ALGORITHM_RANGES_ALL_OF_H 11 12#include <__config> 13#include <__functional/identity.h> 14#include <__functional/invoke.h> 15#include <__iterator/concepts.h> 16#include <__iterator/projected.h> 17#include <__ranges/access.h> 18#include <__ranges/concepts.h> 19#include <__utility/move.h> 20 21#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 22# pragma GCC system_header 23#endif 24 25_LIBCPP_PUSH_MACROS 26#include <__undef_macros> 27 28#if _LIBCPP_STD_VER >= 20 29 30_LIBCPP_BEGIN_NAMESPACE_STD 31 32namespace ranges { 33namespace __all_of { 34struct __fn { 35 template <class _Iter, class _Sent, class _Proj, class _Pred> 36 _LIBCPP_HIDE_FROM_ABI constexpr static bool __all_of_impl(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) { 37 for (; __first != __last; ++__first) { 38 if (!std::invoke(__pred, std::invoke(__proj, *__first))) 39 return false; 40 } 41 return true; 42 } 43 44 template <input_iterator _Iter, 45 sentinel_for<_Iter> _Sent, 46 class _Proj = identity, 47 indirect_unary_predicate<projected<_Iter, _Proj>> _Pred> 48 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool 49 operator()(_Iter __first, _Sent __last, _Pred __pred, _Proj __proj = {}) const { 50 return __all_of_impl(std::move(__first), std::move(__last), __pred, __proj); 51 } 52 53 template <input_range _Range, 54 class _Proj = identity, 55 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred> 56 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool 57 operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const { 58 return __all_of_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj); 59 } 60}; 61} // namespace __all_of 62 63inline namespace __cpo { 64inline constexpr auto all_of = __all_of::__fn{}; 65} // namespace __cpo 66} // namespace ranges 67 68_LIBCPP_END_NAMESPACE_STD 69 70#endif // _LIBCPP_STD_VER >= 20 71 72_LIBCPP_POP_MACROS 73 74#endif // _LIBCPP___ALGORITHM_RANGES_ALL_OF_H 75