xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/fill_n.h (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
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_FILL_N_H
10 #define _LIBCPP___ALGORITHM_FILL_N_H
11 
12 #include <__config>
13 #include <__iterator/iterator_traits.h>
14 #include <type_traits>
15 
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 #pragma GCC system_header
18 #endif
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 template <class _OutputIterator, class _Size, class _Tp>
23 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
24 _OutputIterator
25 __fill_n(_OutputIterator __first, _Size __n, const _Tp& __value_)
26 {
27     for (; __n > 0; ++__first, (void) --__n)
28         *__first = __value_;
29     return __first;
30 }
31 
32 template <class _OutputIterator, class _Size, class _Tp>
33 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
34 _OutputIterator
35 fill_n(_OutputIterator __first, _Size __n, const _Tp& __value_)
36 {
37    return _VSTD::__fill_n(__first, _VSTD::__convert_to_integral(__n), __value_);
38 }
39 
40 _LIBCPP_END_NAMESPACE_STD
41 
42 #endif // _LIBCPP___ALGORITHM_FILL_N_H
43