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Diffstat (limited to 'libcxx/include/__algorithm/swap_ranges.h')
-rw-r--r-- | libcxx/include/__algorithm/swap_ranges.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libcxx/include/__algorithm/swap_ranges.h b/libcxx/include/__algorithm/swap_ranges.h new file mode 100644 index 000000000000..3c72dbd24c63 --- /dev/null +++ b/libcxx/include/__algorithm/swap_ranges.h @@ -0,0 +1,37 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___ALGORITHM_SWAP_RANGES_H +#define _LIBCPP___ALGORITHM_SWAP_RANGES_H + +#include <__config> +#include <__utility/swap.h> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _ForwardIterator1, class _ForwardIterator2> +inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator2 +swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2) { + for (; __first1 != __last1; ++__first1, (void)++__first2) + swap(*__first1, *__first2); + return __first2; +} + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___ALGORITHM_SWAP_RANGES_H |