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