181ad6265SDimitry Andric //===----------------------------------------------------------------------===// 281ad6265SDimitry Andric // 381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 681ad6265SDimitry Andric // 781ad6265SDimitry Andric //===----------------------------------------------------------------------===// 881ad6265SDimitry Andric 981ad6265SDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_FILL_N_H 1081ad6265SDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_FILL_N_H 1181ad6265SDimitry Andric 1281ad6265SDimitry Andric #include <__config> 1381ad6265SDimitry Andric #include <__iterator/concepts.h> 1481ad6265SDimitry Andric #include <__iterator/incrementable_traits.h> 1581ad6265SDimitry Andric 1681ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1781ad6265SDimitry Andric # pragma GCC system_header 1881ad6265SDimitry Andric #endif 1981ad6265SDimitry Andric 20*b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS 21*b3edf446SDimitry Andric #include <__undef_macros> 22*b3edf446SDimitry Andric 2306c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 2481ad6265SDimitry Andric 2581ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2681ad6265SDimitry Andric 2781ad6265SDimitry Andric namespace ranges { 2881ad6265SDimitry Andric namespace __fill_n { 2981ad6265SDimitry Andric struct __fn { 3081ad6265SDimitry Andric template <class _Type, output_iterator<const _Type&> _Iter> 3106c3fb27SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr _Iter operator__fn3206c3fb27SDimitry Andric operator()(_Iter __first, iter_difference_t<_Iter> __n, const _Type& __value) const { 3381ad6265SDimitry Andric for (; __n != 0; --__n) { 3481ad6265SDimitry Andric *__first = __value; 3581ad6265SDimitry Andric ++__first; 3681ad6265SDimitry Andric } 3781ad6265SDimitry Andric return __first; 3881ad6265SDimitry Andric } 3981ad6265SDimitry Andric }; 4081ad6265SDimitry Andric } // namespace __fill_n 4181ad6265SDimitry Andric 4281ad6265SDimitry Andric inline namespace __cpo { 4381ad6265SDimitry Andric inline constexpr auto fill_n = __fill_n::__fn{}; 4481ad6265SDimitry Andric } // namespace __cpo 4581ad6265SDimitry Andric } // namespace ranges 4681ad6265SDimitry Andric 4781ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 4881ad6265SDimitry Andric 4906c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 5081ad6265SDimitry Andric 51*b3edf446SDimitry Andric _LIBCPP_POP_MACROS 52*b3edf446SDimitry Andric 5381ad6265SDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_FILL_N_H 54