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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/concept/usage.hpp
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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_USAGE_DWA2006919_HPP
+# define BOOST_CONCEPT_USAGE_DWA2006919_HPP
+
+# include <boost/concept/assert.hpp>
+# include <boost/detail/workaround.hpp>
+
+namespace boost { namespace concept {
+
+# if BOOST_WORKAROUND(__GNUC__, == 2)
+
+# define BOOST_CONCEPT_USAGE(model) ~model()
+
+# else
+
+template <class Model>
+struct usage_requirements
+{
+ ~usage_requirements() { ((Model*)0)->~Model(); }
+};
+
+# if BOOST_WORKAROUND(__GNUC__, <= 3)
+
+# define BOOST_CONCEPT_USAGE(model) \
+ model(); /* at least 2.96 and 3.4.3 both need this :( */ \
+ BOOST_CONCEPT_ASSERT((boost::concept::usage_requirements<model>)); \
+ ~model()
+
+# else
+
+# define BOOST_CONCEPT_USAGE(model) \
+ BOOST_CONCEPT_ASSERT((boost::concept::usage_requirements<model>)); \
+ ~model()
+
+# endif
+
+# endif
+
+}} // namespace boost::concept
+
+#endif // BOOST_CONCEPT_USAGE_DWA2006919_HPP