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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_RANGES_FILL_H10#define _LIBCPP___ALGORITHM_RANGES_FILL_H11 12#include <__algorithm/fill.h>13#include <__algorithm/fill_n.h>14#include <__config>15#include <__iterator/concepts.h>16#include <__ranges/access.h>17#include <__ranges/concepts.h>18#include <__ranges/dangling.h>19#include <__utility/move.h>20 21#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)22# pragma GCC system_header23#endif24 25_LIBCPP_PUSH_MACROS26#include <__undef_macros>27 28#if _LIBCPP_STD_VER >= 2029 30_LIBCPP_BEGIN_NAMESPACE_STD31 32namespace ranges {33struct __fill {34 template <class _Type, output_iterator<const _Type&> _Iter, sentinel_for<_Iter> _Sent>35 _LIBCPP_HIDE_FROM_ABI constexpr _Iter operator()(_Iter __first, _Sent __last, const _Type& __value) const {36 if constexpr (sized_sentinel_for<_Sent, _Iter>) {37 auto __n = __last - __first;38 return std::__fill_n(std::move(__first), __n, __value);39 } else {40 return std::__fill(std::move(__first), std::move(__last), __value);41 }42 }43 44 template <class _Type, output_range<const _Type&> _Range>45 _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> operator()(_Range&& __range, const _Type& __value) const {46 return (*this)(ranges::begin(__range), ranges::end(__range), __value);47 }48};49 50inline namespace __cpo {51inline constexpr auto fill = __fill{};52} // namespace __cpo53} // namespace ranges54 55_LIBCPP_END_NAMESPACE_STD56 57#endif // _LIBCPP_STD_VER >= 2058 59_LIBCPP_POP_MACROS60 61#endif // _LIBCPP___ALGORITHM_RANGES_FILL_H62