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45 lines
1.8 KiB
45 lines
1.8 KiB
// Copyright David Abrahams 2006. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_CONCEPT_ASSERT_DWA2006430_HPP |
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# define BOOST_CONCEPT_ASSERT_DWA2006430_HPP |
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# include <boost/config.hpp> |
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# include <boost/config/workaround.hpp> |
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// The old protocol used a constraints() member function in concept |
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// checking classes. If the compiler supports SFINAE, we can detect |
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// that function and seamlessly support the old concept checking |
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// classes. In this release, backward compatibility with the old |
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// concept checking classes is enabled by default, where available. |
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// The old protocol is deprecated, though, and backward compatibility |
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// will no longer be the default in the next release. |
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# if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT) \ |
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&& !defined(BOOST_NO_SFINAE) \ |
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\ |
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&& !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) |
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// Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to |
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// check for the presence of particularmember functions. |
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# define BOOST_OLD_CONCEPT_SUPPORT |
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# endif |
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# ifdef BOOST_MSVC |
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# include <boost/concept/detail/msvc.hpp> |
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# elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
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# include <boost/concept/detail/borland.hpp> |
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# else |
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# include <boost/concept/detail/general.hpp> |
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# endif |
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// Usage, in class or function context: |
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// |
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// BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>)); |
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// |
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# define BOOST_CONCEPT_ASSERT(ModelInParens) \ |
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BOOST_CONCEPT_ASSERT_FN(void(*)ModelInParens) |
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#endif // BOOST_CONCEPT_ASSERT_DWA2006430_HPP
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