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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
// -*- 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 LIBCXX_TEST_SUPPORT_INDIRECTLY_READABLE_H
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#define LIBCXX_TEST_SUPPORT_INDIRECTLY_READABLE_H
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#include <type_traits>
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template <class Token>
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struct Common { };
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template <class Token>
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struct T1 : Common<Token> { };
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template <class Token>
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struct T2 : Common<Token> { };
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template <template <class> class T1Qual, template <class> class T2Qual, class Token>
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struct std::basic_common_reference<T1<Token>, T2<Token>, T1Qual, T2Qual> {
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using type = Common<Token>;
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};
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template <template <class> class T2Qual, template <class> class T1Qual, class Token>
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struct std::basic_common_reference<T2<Token>, T1<Token>, T2Qual, T1Qual>
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: std::basic_common_reference<T1<Token>, T2<Token>, T1Qual, T2Qual>
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{ };
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template <class Token>
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struct IndirectlyReadable {
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using value_type = T1<Token>;
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T2<Token>& operator*() const;
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};
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#endif // LIBCXX_TEST_SUPPORT_INDIRECTLY_READABLE_H
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