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_FILL_H 10 #define _LIBCPP___ALGORITHM_FILL_H 11 12 #include <__algorithm/fill_n.h> 13 #include <__config> 14 #include <__iterator/iterator_traits.h> 15 #include <type_traits> 16 17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18 #pragma GCC system_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 template <class _ForwardIterator, class _Tp> 24 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 25 void 26 __fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_, forward_iterator_tag) 27 { 28 for (; __first != __last; ++__first) 29 *__first = __value_; 30 } 31 32 template <class _RandomAccessIterator, class _Tp> 33 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 34 void 35 __fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& __value_, random_access_iterator_tag) 36 { 37 _VSTD::fill_n(__first, __last - __first, __value_); 38 } 39 40 template <class _ForwardIterator, class _Tp> 41 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 42 void 43 fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_) 44 { 45 _VSTD::__fill(__first, __last, __value_, typename iterator_traits<_ForwardIterator>::iterator_category()); 46 } 47 48 _LIBCPP_END_NAMESPACE_STD 49 50 #endif // _LIBCPP___ALGORITHM_FILL_H 51