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39 lines
996 B
C++
39 lines
996 B
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___TUPLE_IGNORE_H
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#define _LIBCPP___TUPLE_IGNORE_H
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#include <__config>
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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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#ifndef _LIBCPP_CXX03_LANG
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_LIBCPP_BEGIN_NAMESPACE_STD
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struct __ignore_type {
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template <class _Tp>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const __ignore_type& operator=(const _Tp&) const noexcept {
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return *this;
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}
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};
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# if _LIBCPP_STD_VER >= 17
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inline constexpr __ignore_type ignore;
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# else
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constexpr __ignore_type ignore;
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# endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_CXX03_LANG
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#endif // _LIBCPP___TUPLE_IGNORE_H
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