Squashed 'third_party/boostorg/concept_check/' content from commit ed0a0eb
Change-Id: Ib7230965334f9501601efc300242efde8352a380
git-subtree-dir: third_party/boostorg/concept_check
git-subtree-split: ed0a0ebd72f778cfa4931e0538ea34c28db3a42b
diff --git a/include/boost/concept_check/msvc.hpp b/include/boost/concept_check/msvc.hpp
new file mode 100644
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+++ b/include/boost/concept_check/msvc.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_CHECK_MSVC_DWA2006429_HPP
+# define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+# include <boost/concept_check/has_constraints.hpp>
+# include <boost/mpl/if.hpp>
+# endif
+
+
+namespace boost
+{
+ namespace concept_checking
+ {
+ template <class Model>
+ struct concept_check_
+ {
+ virtual void failed(Model* x)
+ {
+ x->~Model();
+ }
+ };
+ }
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+
+ namespace concept_checking
+ {
+ template <class Model>
+ struct constraint_check
+ {
+ virtual void failed(Model* x)
+ {
+ x->constraints();
+ }
+ };
+ }
+
+ template <class Model>
+ struct concept_check
+ : mpl::if_c<
+ concept_checking::has_constraints<Model>::value
+ , concept_checking::constraint_check<Model>
+ , concept_checking::concept_check_<Model>
+ >::type
+ {};
+
+# else
+
+ template <class Model>
+ struct concept_check
+ : concept_checking::concept_check_<Model>
+ {};
+
+# endif
+
+# if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
+
+ //
+ // The iterator library sees some really strange errors unless we
+ // use partial specialization to extract the model type with
+ // msvc-7.1
+ //
+ template <class Model>
+ struct concept_check<void(*)(Model)>
+ : concept_check<Model>
+ { };
+
+# define BOOST_CONCEPT_ASSERT( ModelInParens ) \
+ enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \
+ sizeof(::boost::concept_check<void(*) ModelInParens>) \
+ }
+
+# else
+
+ template <class Model>
+ concept_check<Model>
+ concept_check_(void(*)(Model));
+
+# define BOOST_CONCEPT_ASSERT( ModelInParens ) \
+ enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \
+ sizeof(::boost::concept_check_((void(*) ModelInParens)0)) \
+ }
+
+# endif
+}
+
+#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP