1*4bdff4beSrobert //===----------------------------------------------------------------------===// 2*4bdff4beSrobert // 3*4bdff4beSrobert // Part of the LLVM __project, under the Apache License v2.0 with LLVM Exceptions. 4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*4bdff4beSrobert // 7*4bdff4beSrobert //===----------------------------------------------------------------------===// 8*4bdff4beSrobert 9*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_RANGES_EQUAL_RANGE_H 10*4bdff4beSrobert #define _LIBCPP___ALGORITHM_RANGES_EQUAL_RANGE_H 11*4bdff4beSrobert 12*4bdff4beSrobert #include <__algorithm/equal_range.h> 13*4bdff4beSrobert #include <__algorithm/iterator_operations.h> 14*4bdff4beSrobert #include <__config> 15*4bdff4beSrobert #include <__functional/identity.h> 16*4bdff4beSrobert #include <__functional/invoke.h> 17*4bdff4beSrobert #include <__functional/ranges_operations.h> 18*4bdff4beSrobert #include <__iterator/concepts.h> 19*4bdff4beSrobert #include <__iterator/iterator_traits.h> 20*4bdff4beSrobert #include <__iterator/projected.h> 21*4bdff4beSrobert #include <__ranges/access.h> 22*4bdff4beSrobert #include <__ranges/concepts.h> 23*4bdff4beSrobert #include <__ranges/dangling.h> 24*4bdff4beSrobert #include <__ranges/subrange.h> 25*4bdff4beSrobert #include <__utility/forward.h> 26*4bdff4beSrobert #include <__utility/move.h> 27*4bdff4beSrobert #include <__utility/pair.h> 28*4bdff4beSrobert 29*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 30*4bdff4beSrobert # pragma GCC system_header 31*4bdff4beSrobert #endif 32*4bdff4beSrobert 33*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 34*4bdff4beSrobert 35*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 36*4bdff4beSrobert 37*4bdff4beSrobert namespace ranges { 38*4bdff4beSrobert namespace __equal_range { 39*4bdff4beSrobert 40*4bdff4beSrobert struct __fn { 41*4bdff4beSrobert template < 42*4bdff4beSrobert forward_iterator _Iter, 43*4bdff4beSrobert sentinel_for<_Iter> _Sent, 44*4bdff4beSrobert class _Tp, 45*4bdff4beSrobert class _Proj = identity, 46*4bdff4beSrobert indirect_strict_weak_order<const _Tp*, projected<_Iter, _Proj>> _Comp = ranges::less> 47*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr subrange<_Iter> operator__fn48*4bdff4beSrobert operator()(_Iter __first, _Sent __last, const _Tp& __value, _Comp __comp = {}, _Proj __proj = {}) const { 49*4bdff4beSrobert auto __ret = std::__equal_range<_RangeAlgPolicy>( 50*4bdff4beSrobert std::move(__first), std::move(__last), __value, __comp, __proj); 51*4bdff4beSrobert return {std::move(__ret.first), std::move(__ret.second)}; 52*4bdff4beSrobert } 53*4bdff4beSrobert 54*4bdff4beSrobert template < 55*4bdff4beSrobert forward_range _Range, 56*4bdff4beSrobert class _Tp, 57*4bdff4beSrobert class _Proj = identity, 58*4bdff4beSrobert indirect_strict_weak_order<const _Tp*, projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less> 59*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr borrowed_subrange_t<_Range> operator__fn60*4bdff4beSrobert operator()(_Range&& __range, const _Tp& __value, _Comp __comp = {}, _Proj __proj = {}) const { 61*4bdff4beSrobert auto __ret = std::__equal_range<_RangeAlgPolicy>( 62*4bdff4beSrobert ranges::begin(__range), ranges::end(__range), __value, __comp, __proj); 63*4bdff4beSrobert return {std::move(__ret.first), std::move(__ret.second)}; 64*4bdff4beSrobert } 65*4bdff4beSrobert }; 66*4bdff4beSrobert 67*4bdff4beSrobert } // namespace __equal_range 68*4bdff4beSrobert 69*4bdff4beSrobert inline namespace __cpo { 70*4bdff4beSrobert inline constexpr auto equal_range = __equal_range::__fn{}; 71*4bdff4beSrobert } // namespace __cpo 72*4bdff4beSrobert } // namespace ranges 73*4bdff4beSrobert 74*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 75*4bdff4beSrobert 76*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 77*4bdff4beSrobert 78*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_RANGES_EQUAL_RANGE_H 79