mirror of
				https://github.com/boostorg/optional.git
				synced 2025-11-04 09:41:37 +01:00 
			
		
		
		
	
		
			
	
	
		
			29 lines
		
	
	
		
			693 B
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			693 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| 
								 | 
							
								// Copyright (C) 2014, Andrzej Krzemienski.
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// Use, modification, and distribution is subject to the Boost Software
							 | 
						||
| 
								 | 
							
								// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
							 | 
						||
| 
								 | 
							
								// http://www.boost.org/LICENSE_1_0.txt)
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// See http://www.boost.org/lib/optional for documentation.
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// You are welcome to contact the author at:
							 | 
						||
| 
								 | 
							
								//  akrzemi1@gmail.com
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								#include "boost/optional.hpp"
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								// THIS TEST SHOULD FAIL TO COMPILE
							 | 
						||
| 
								 | 
							
								//
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								bool test_implicit_conversion_to_bool()
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								  boost::optional<int> opt;
							 | 
						||
| 
								 | 
							
								  return opt;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#else
							 | 
						||
| 
								 | 
							
								#  error "Test skipped: this compiler does not support explicit conversion operators."
							 | 
						||
| 
								 | 
							
								#endif
							 |