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			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | // Copyright David Abrahams 2006. Distributed under 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) | ||
|  | #ifndef BOOST_CONCEPT_ASSERT_DWA2006430_HPP | ||
|  | # define BOOST_CONCEPT_ASSERT_DWA2006430_HPP | ||
|  | 
 | ||
|  | # include <boost/config.hpp> | ||
|  | # include <boost/detail/workaround.hpp> | ||
|  | 
 | ||
|  | // The old protocol used a constraints() member function in concept | ||
|  | // checking classes.  If the compiler supports SFINAE, we can detect | ||
|  | // that function and seamlessly support the old concept checking | ||
|  | // classes.  In this release, backward compatibility with the old | ||
|  | // concept checking classes is enabled by default, where available. | ||
|  | // The old protocol is deprecated, though, and backward compatibility | ||
|  | // will no longer be the default in the next release. | ||
|  | 
 | ||
|  | # if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT)                                         \ | ||
|  |     && !defined(BOOST_NO_SFINAE)                                                    \ | ||
|  |                                                                                     \ | ||
|  |     && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) | ||
|  | 
 | ||
|  | // Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to | ||
|  | // check for the presence of particularmember functions. | ||
|  | 
 | ||
|  | #  define BOOST_OLD_CONCEPT_SUPPORT | ||
|  | 
 | ||
|  | # endif | ||
|  | 
 | ||
|  | # ifdef BOOST_MSVC | ||
|  | #  include <boost/concept/detail/msvc.hpp> | ||
|  | # elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) | ||
|  | #  include <boost/concept/detail/borland.hpp> | ||
|  | # else  | ||
|  | #  include <boost/concept/detail/general.hpp> | ||
|  | # endif | ||
|  | 
 | ||
|  |   // Usage, in class or function context: | ||
|  |   // | ||
|  |   //     BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>)); | ||
|  |   // | ||
|  | # define BOOST_CONCEPT_ASSERT(ModelInParens) \ | ||
|  |     BOOST_CONCEPT_ASSERT_FN(void(*)ModelInParens) | ||
|  | 
 | ||
|  | #endif // BOOST_CONCEPT_ASSERT_DWA2006430_HPP |