31 lines
		
	
	
		
			737 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			737 B
		
	
	
	
		
			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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// <system_error>
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// class error_code
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// explicit operator bool() const;
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#include <system_error>
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#include <string>
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#include <cassert>
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int main()
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{
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    {
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        const std::error_code ec(6, std::generic_category());
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        assert(static_cast<bool>(ec));
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    }
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    {
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        const std::error_code ec(0, std::generic_category());
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        assert(!static_cast<bool>(ec));
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    }
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}
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