b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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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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// type_traits
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// union
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#include <type_traits>
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template <class T>
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void test_union_imp()
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{
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static_assert(!std::is_void<T>::value, "");
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static_assert(!std::is_integral<T>::value, "");
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static_assert(!std::is_floating_point<T>::value, "");
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static_assert(!std::is_array<T>::value, "");
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static_assert(!std::is_pointer<T>::value, "");
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static_assert(!std::is_lvalue_reference<T>::value, "");
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static_assert(!std::is_rvalue_reference<T>::value, "");
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static_assert(!std::is_member_object_pointer<T>::value, "");
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static_assert(!std::is_member_function_pointer<T>::value, "");
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static_assert(!std::is_enum<T>::value, "");
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static_assert( std::is_union<T>::value, "");
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static_assert(!std::is_class<T>::value, "");
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static_assert(!std::is_function<T>::value, "");
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}
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template <class T>
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void test_union()
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{
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test_union_imp<T>();
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test_union_imp<const T>();
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test_union_imp<volatile T>();
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test_union_imp<const volatile T>();
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}
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union Union
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{
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int _;
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double __;
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};
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int main()
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{
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test_union<Union>();
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}
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