47 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.1 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_reference<T>::value, "");
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    static_assert(!std::is_arithmetic<T>::value, "");
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    static_assert(!std::is_fundamental<T>::value, "");
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    static_assert( std::is_object<T>::value, "");
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    static_assert(!std::is_scalar<T>::value, "");
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    static_assert( std::is_compound<T>::value, "");
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    static_assert(!std::is_member_pointer<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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