1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___ALGORITHM_GENERATE_N_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___ALGORITHM_GENERATE_N_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__config> 1373fbae83SNikolas Klauser #include <__cxx03/__utility/convert_to_integral.h> 14e78f53d1SNikolas Klauser 15e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16e78f53d1SNikolas Klauser # pragma GCC system_header 17e78f53d1SNikolas Klauser #endif 18e78f53d1SNikolas Klauser 19e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 20e78f53d1SNikolas Klauser 21e78f53d1SNikolas Klauser template <class _OutputIterator, class _Size, class _Generator> 22e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator 23e78f53d1SNikolas Klauser generate_n(_OutputIterator __first, _Size __orig_n, _Generator __gen) { 24e78f53d1SNikolas Klauser typedef decltype(std::__convert_to_integral(__orig_n)) _IntegralSize; 25e78f53d1SNikolas Klauser _IntegralSize __n = __orig_n; 26e78f53d1SNikolas Klauser for (; __n > 0; ++__first, (void)--__n) 27e78f53d1SNikolas Klauser *__first = __gen(); 28e78f53d1SNikolas Klauser return __first; 29e78f53d1SNikolas Klauser } 30e78f53d1SNikolas Klauser 31e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 32e78f53d1SNikolas Klauser 33*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___ALGORITHM_GENERATE_N_H 34