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67 lines
3.5 KiB
67 lines
3.5 KiB
4 months ago
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// type_traits
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// template<class... B> struct conjunction; // C++17
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// template<class... B>
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// constexpr bool conjunction_v = conjunction<B...>::value; // C++17
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#include <type_traits>
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#include <cassert>
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struct True { static constexpr bool value = true; };
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struct False { static constexpr bool value = false; };
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int main()
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{
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static_assert ( std::conjunction<>::value, "" );
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static_assert ( std::conjunction<std::true_type >::value, "" );
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static_assert (!std::conjunction<std::false_type>::value, "" );
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static_assert ( std::conjunction_v<>, "" );
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static_assert ( std::conjunction_v<std::true_type >, "" );
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static_assert (!std::conjunction_v<std::false_type>, "" );
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static_assert ( std::conjunction<std::true_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::true_type, std::false_type>::value, "" );
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static_assert (!std::conjunction<std::false_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::false_type, std::false_type>::value, "" );
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static_assert ( std::conjunction_v<std::true_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::true_type, std::false_type>, "" );
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static_assert (!std::conjunction_v<std::false_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::false_type, std::false_type>, "" );
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static_assert ( std::conjunction<std::true_type, std::true_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::true_type, std::false_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::false_type, std::true_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::false_type, std::false_type, std::true_type >::value, "" );
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static_assert (!std::conjunction<std::true_type, std::true_type, std::false_type>::value, "" );
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static_assert (!std::conjunction<std::true_type, std::false_type, std::false_type>::value, "" );
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static_assert (!std::conjunction<std::false_type, std::true_type, std::false_type>::value, "" );
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static_assert (!std::conjunction<std::false_type, std::false_type, std::false_type>::value, "" );
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static_assert ( std::conjunction_v<std::true_type, std::true_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::true_type, std::false_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::false_type, std::true_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::false_type, std::false_type, std::true_type >, "" );
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static_assert (!std::conjunction_v<std::true_type, std::true_type, std::false_type>, "" );
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static_assert (!std::conjunction_v<std::true_type, std::false_type, std::false_type>, "" );
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static_assert (!std::conjunction_v<std::false_type, std::true_type, std::false_type>, "" );
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static_assert (!std::conjunction_v<std::false_type, std::false_type, std::false_type>, "" );
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static_assert ( std::conjunction<True >::value, "" );
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static_assert (!std::conjunction<False>::value, "" );
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static_assert ( std::conjunction_v<True >, "" );
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static_assert (!std::conjunction_v<False>, "" );
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}
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