1 // Copyright David Abrahams 2006. Distributed under the Boost 2 // Software License, Version 1.0. (See accompanying 3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 4 #ifndef BOOST_CONCEPT_ASSERT_DWA2006430_HPP 5 # define BOOST_CONCEPT_ASSERT_DWA2006430_HPP 6 7 # include <boost/config.hpp> 8 # include <boost/detail/workaround.hpp> 9 10 // The old protocol used a constraints() member function in concept 11 // checking classes. If the compiler supports SFINAE, we can detect 12 // that function and seamlessly support the old concept checking 13 // classes. In this release, backward compatibility with the old 14 // concept checking classes is enabled by default, where available. 15 // The old protocol is deprecated, though, and backward compatibility 16 // will no longer be the default in the next release. 17 18 # if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT) \ 19 && !defined(BOOST_NO_SFINAE) \ 20 \ 21 && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) \ 22 && !(BOOST_WORKAROUND(__GNUC__, == 2)) 23 24 // Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to 25 // check for the presence of particularmember functions. 26 27 # define BOOST_OLD_CONCEPT_SUPPORT 28 29 # endif 30 31 # ifdef BOOST_MSVC 32 # include <boost/concept/detail/msvc.hpp> 33 # elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) 34 # include <boost/concept/detail/borland.hpp> 35 # else 36 # include <boost/concept/detail/general.hpp> 37 # endif 38 39 // Usage, in class or function context: 40 // 41 // BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>)); 42 // 43 # define BOOST_CONCEPT_ASSERT(ModelInParens) \ 44 BOOST_CONCEPT_ASSERT_FN(void(*)ModelInParens) 45 46 #endif // BOOST_CONCEPT_ASSERT_DWA2006430_HPP 47
