36 lines
1,005 B
C
36 lines
1,005 B
C
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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___FUNCTIONAL_IS_TRANSPARENT
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#define _LIBCPP___FUNCTIONAL_IS_TRANSPARENT
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#include <__config>
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#include <__type_traits/integral_constant.h>
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#include <__type_traits/void_t.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 >= 14
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template <class _Tp, class, class = void>
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struct __is_transparent : false_type {};
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template <class _Tp, class _Up>
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struct __is_transparent<_Tp, _Up, __void_t<typename _Tp::is_transparent> > : true_type {};
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FUNCTIONAL_IS_TRANSPARENT
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