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 <type_traits> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 #pragma GCC system_header 17 #endif 18 19 _LIBCPP_PUSH_MACROS 20 #include <__undef_macros> 21 22 _LIBCPP_BEGIN_NAMESPACE_STD 23 24 template <class _OutputIterator, class _Size, class _Generator> 25 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 26 _OutputIterator 27 generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen) 28 { 29 typedef decltype(_VSTD::__convert_to_integral(__orig_n)) _IntegralSize; 30 _IntegralSize __n = __orig_n; 31 for (; __n > 0; ++__first, (void) --__n) 32 *__first = __gen(); 33 return __first; 34 } 35 36 _LIBCPP_END_NAMESPACE_STD 37 38 _LIBCPP_POP_MACROS 39 40 #endif // _LIBCPP___ALGORITHM_GENERATE_N_H 41