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ce7771902d
This patch updates the includes guards of the C++ 03 headers. This is part of https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc.
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___CXX03___ALGORITHM_MERGE_H
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#define _LIBCPP___CXX03___ALGORITHM_MERGE_H
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#include <__cxx03/__algorithm/comp.h>
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#include <__cxx03/__algorithm/comp_ref_type.h>
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#include <__cxx03/__algorithm/copy.h>
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#include <__cxx03/__config>
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#include <__cxx03/__iterator/iterator_traits.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Compare, class _InputIterator1, class _InputIterator2, class _OutputIterator>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator __merge(
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_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2,
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_InputIterator2 __last2,
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_OutputIterator __result,
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_Compare __comp) {
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for (; __first1 != __last1; ++__result) {
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if (__first2 == __last2)
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return std::copy(__first1, __last1, __result);
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if (__comp(*__first2, *__first1)) {
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*__result = *__first2;
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++__first2;
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} else {
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*__result = *__first1;
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++__first1;
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}
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}
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return std::copy(__first2, __last2, __result);
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}
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template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _Compare>
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inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
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merge(_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2,
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_InputIterator2 __last2,
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_OutputIterator __result,
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_Compare __comp) {
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return std::__merge<__comp_ref_type<_Compare> >(__first1, __last1, __first2, __last2, __result, __comp);
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}
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template <class _InputIterator1, class _InputIterator2, class _OutputIterator>
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inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
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merge(_InputIterator1 __first1,
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_InputIterator1 __last1,
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_InputIterator2 __first2,
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_InputIterator2 __last2,
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_OutputIterator __result) {
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return std::merge(__first1, __last1, __first2, __last2, __result, __less<>());
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}
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___CXX03___ALGORITHM_MERGE_H
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