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 <__config> 13 #include <__algorithm/fill_n.h> 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_PUSH_MACROS 22 #include <__undef_macros> 23 24 _LIBCPP_BEGIN_NAMESPACE_STD 25 26 template <class _ForwardIterator, class _Tp> 27 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 28 void 29 __fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_, forward_iterator_tag) 30 { 31 for (; __first != __last; ++__first) 32 *__first = __value_; 33 } 34 35 template <class _RandomAccessIterator, class _Tp> 36 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 37 void 38 __fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& __value_, random_access_iterator_tag) 39 { 40 _VSTD::fill_n(__first, __last - __first, __value_); 41 } 42 43 template <class _ForwardIterator, class _Tp> 44 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 45 void 46 fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_) 47 { 48 _VSTD::__fill(__first, __last, __value_, typename iterator_traits<_ForwardIterator>::iterator_category()); 49 } 50 51 _LIBCPP_END_NAMESPACE_STD 52 53 _LIBCPP_POP_MACROS 54 55 #endif // _LIBCPP___ALGORITHM_FILL_H 56