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			29 lines
		
	
	
		
			843 B
		
	
	
	
		
			C++
		
	
			
		
		
	
	
			29 lines
		
	
	
		
			843 B
		
	
	
	
		
			C++
		
	
| // -*- C++ -*-
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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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| 
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| // UNSUPPORTED: c++98, c++03, c++11, c++14
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| 
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| // <variant>
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| 
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| // struct monostate {};
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| 
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| #include <type_traits>
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| #include <variant>
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| 
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| int main() {
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|   using M = std::monostate;
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|   static_assert(std::is_trivially_default_constructible<M>::value, "");
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|   static_assert(std::is_trivially_copy_constructible<M>::value, "");
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|   static_assert(std::is_trivially_copy_assignable<M>::value, "");
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|   static_assert(std::is_trivially_destructible<M>::value, "");
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|   constexpr M m{};
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|   ((void)m);
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| }
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