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 
21 template <class _OutputIterator, class _Size, class _Generator>
22 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
23 _OutputIterator
24 generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen)
25 {
26     typedef decltype(std::__convert_to_integral(__orig_n)) _IntegralSize;
27     _IntegralSize __n = __orig_n;
28     for (; __n > 0; ++__first, (void) --__n)
29         *__first = __gen();
30     return __first;
31 }
32 
33 _LIBCPP_END_NAMESPACE_STD
34 
35 #endif // _LIBCPP___ALGORITHM_GENERATE_N_H
36