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_GENERATE_N_H
10#define _LIBCPP___ALGORITHM_GENERATE_N_H
11
12#include <__config>
13#include <__utility/convert_to_integral.h>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16# pragma GCC system_header
17#endif
18
19_LIBCPP_BEGIN_NAMESPACE_STD
20
21template <class _OutputIterator, class _Size, class _Generator>
22inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
23generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen) {
24 typedef decltype(std::__convert_to_integral(__orig_n)) _IntegralSize;
25 _IntegralSize __n = __orig_n;
26 for (; __n > 0; ++__first, (void)--__n)
27 *__first = __gen();
28 return __first;
29}
30
31_LIBCPP_END_NAMESPACE_STD
32
33#endif // _LIBCPP___ALGORITHM_GENERATE_N_H
34