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- // 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/config/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(BOOST_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
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