// 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)) \ | |
&& !(BOOST_WORKAROUND(__GNUC__, == 2)) | |
// 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 |