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_FILL_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___ALGORITHM_FILL_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__algorithm/fill_n.h> 1373fbae83SNikolas Klauser #include <__cxx03/__config> 1473fbae83SNikolas Klauser #include <__cxx03/__iterator/iterator_traits.h> 15e78f53d1SNikolas Klauser 16e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17e78f53d1SNikolas Klauser # pragma GCC system_header 18e78f53d1SNikolas Klauser #endif 19e78f53d1SNikolas Klauser 20e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 21e78f53d1SNikolas Klauser 22e78f53d1SNikolas Klauser // fill isn't specialized for std::memset, because the compiler already optimizes the loop to a call to std::memset. 23e78f53d1SNikolas Klauser 24e78f53d1SNikolas Klauser template <class _ForwardIterator, class _Tp> 25e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void 26e78f53d1SNikolas Klauser __fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, forward_iterator_tag) { 27e78f53d1SNikolas Klauser for (; __first != __last; ++__first) 28e78f53d1SNikolas Klauser *__first = __value; 29e78f53d1SNikolas Klauser } 30e78f53d1SNikolas Klauser 31e78f53d1SNikolas Klauser template <class _RandomAccessIterator, class _Tp> 32e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void 33e78f53d1SNikolas Klauser __fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& __value, random_access_iterator_tag) { 34e78f53d1SNikolas Klauser std::fill_n(__first, __last - __first, __value); 35e78f53d1SNikolas Klauser } 36e78f53d1SNikolas Klauser 37e78f53d1SNikolas Klauser template <class _ForwardIterator, class _Tp> 38e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void 39e78f53d1SNikolas Klauser fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) { 40e78f53d1SNikolas Klauser std::__fill(__first, __last, __value, typename iterator_traits<_ForwardIterator>::iterator_category()); 41e78f53d1SNikolas Klauser } 42e78f53d1SNikolas Klauser 43e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 44e78f53d1SNikolas Klauser 45*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___ALGORITHM_FILL_H 46