1fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 2fe6060f1SDimitry Andric // 3fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6fe6060f1SDimitry Andric // 7fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 8fe6060f1SDimitry Andric 9fe6060f1SDimitry Andric #ifndef _LIBCPP___ALGORITHM_GENERATE_N_H 10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_GENERATE_N_H 11fe6060f1SDimitry Andric 12fe6060f1SDimitry Andric #include <__config> 13bdd1243dSDimitry Andric #include <__utility/convert_to_integral.h> 14fe6060f1SDimitry Andric 15fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16fe6060f1SDimitry Andric # pragma GCC system_header 17fe6060f1SDimitry Andric #endif 18fe6060f1SDimitry Andric 19fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 20fe6060f1SDimitry Andric 21fe6060f1SDimitry Andric template <class _OutputIterator, class _Size, class _Generator> 22*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator 23*cb14a3feSDimitry Andric generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen) { 245f757f3fSDimitry Andric typedef decltype(std::__convert_to_integral(__orig_n)) _IntegralSize; 25fe6060f1SDimitry Andric _IntegralSize __n = __orig_n; 26fe6060f1SDimitry Andric for (; __n > 0; ++__first, (void)--__n) 27fe6060f1SDimitry Andric *__first = __gen(); 28fe6060f1SDimitry Andric return __first; 29fe6060f1SDimitry Andric } 30fe6060f1SDimitry Andric 31fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 32fe6060f1SDimitry Andric 33fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_GENERATE_N_H 34