xref: /llvm-project/libcxx/include/__algorithm/ranges_fill_n.h (revision eab7be5d42ad30c9992ff72c3be9298702001dc8)
17af89a37SNikolas Klauser //===----------------------------------------------------------------------===//
27af89a37SNikolas Klauser //
37af89a37SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
47af89a37SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information.
57af89a37SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
67af89a37SNikolas Klauser //
77af89a37SNikolas Klauser //===----------------------------------------------------------------------===//
87af89a37SNikolas Klauser 
97af89a37SNikolas Klauser #ifndef _LIBCPP___ALGORITHM_RANGES_FILL_N_H
107af89a37SNikolas Klauser #define _LIBCPP___ALGORITHM_RANGES_FILL_N_H
117af89a37SNikolas Klauser 
12*eab7be5dSNikolas Klauser #include <__algorithm/fill_n.h>
137af89a37SNikolas Klauser #include <__config>
147af89a37SNikolas Klauser #include <__iterator/concepts.h>
157af89a37SNikolas Klauser #include <__iterator/incrementable_traits.h>
16*eab7be5dSNikolas Klauser #include <__utility/move.h>
177af89a37SNikolas Klauser 
187af89a37SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
197af89a37SNikolas Klauser #  pragma GCC system_header
207af89a37SNikolas Klauser #endif
217af89a37SNikolas Klauser 
227b462251SLouis Dionne _LIBCPP_PUSH_MACROS
237b462251SLouis Dionne #include <__undef_macros>
247b462251SLouis Dionne 
254f15267dSNikolas Klauser #if _LIBCPP_STD_VER >= 20
267af89a37SNikolas Klauser 
277af89a37SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD
287af89a37SNikolas Klauser 
297af89a37SNikolas Klauser namespace ranges {
30d10dc5a0SChristopher Di Bella struct __fill_n {
317af89a37SNikolas Klauser   template <class _Type, output_iterator<const _Type&> _Iter>
325aa03b64SLouis Dionne   _LIBCPP_HIDE_FROM_ABI constexpr _Iter
335aa03b64SLouis Dionne   operator()(_Iter __first, iter_difference_t<_Iter> __n, const _Type& __value) const {
34*eab7be5dSNikolas Klauser     return std::__fill_n(std::move(__first), __n, __value);
357af89a37SNikolas Klauser   }
367af89a37SNikolas Klauser };
377af89a37SNikolas Klauser 
387af89a37SNikolas Klauser inline namespace __cpo {
39d10dc5a0SChristopher Di Bella inline constexpr auto fill_n = __fill_n{};
407af89a37SNikolas Klauser } // namespace __cpo
417af89a37SNikolas Klauser } // namespace ranges
427af89a37SNikolas Klauser 
437af89a37SNikolas Klauser _LIBCPP_END_NAMESPACE_STD
447af89a37SNikolas Klauser 
454f15267dSNikolas Klauser #endif // _LIBCPP_STD_VER >= 20
467af89a37SNikolas Klauser 
477b462251SLouis Dionne _LIBCPP_POP_MACROS
487b462251SLouis Dionne 
497af89a37SNikolas Klauser #endif // _LIBCPP___ALGORITHM_RANGES_FILL_N_H
50