66ba7c32ad
Reviewed By: ldionne, Mordante, #libc Spies: jloser, libcxx-commits Differential Revision: https://reviews.llvm.org/D139189
32 lines
909 B
C++
32 lines
909 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___CONCEPTS_DIFFERENT_FROM_H
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#define _LIBCPP___CONCEPTS_DIFFERENT_FROM_H
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#include <__concepts/same_as.h>
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#include <__config>
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#include <__type_traits/remove_cvref.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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#if _LIBCPP_STD_VER > 17
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template<class _Tp, class _Up>
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concept __different_from = !same_as<remove_cvref_t<_Tp>, remove_cvref_t<_Up>>;
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#endif // _LIBCPP_STD_VER > 17
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___CONCEPTS_DIFFERENT_FROM_H
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