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46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
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// 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/detail/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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