Killed off "Concept" suffixes on Boost concepts. Maintained

back-compatibility by using a macro to define XxxxConcept when
defining Xxxxx.


[SVN r33894]

include/boost/concept/detail/concept_def.hpp

@@ -0,0 +1,29 @@
+// 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_DETAIL_CONCEPT_DEF_DWA200651_HPP
+# define BOOST_CONCEPT_DETAIL_CONCEPT_DEF_DWA200651_HPP
+# include <boost/preprocessor/comma_if.hpp>
+# include <boost/preprocessor/seq/for_each_i.hpp>
+# include <boost/preprocessor/seq/enum.hpp>
+#endif // BOOST_CONCEPT_DETAIL_CONCEPT_DEF_DWA200651_HPP
+
+// BOOST_concept(SomeName, (p1)(p2)...(pN))
+//
+// Expands to "template <class p1, class p2, ...class pN> struct SomeName"
+//
+// Also defines an equivalent SomeNameConcept for backward compatibility.
+// Maybe in the next release we can kill off the "Concept" suffix for good.
+# define BOOST_CONCEPT_typename(r, ignored, index, t) \
+    BOOST_PP_COMMA_IF(index) typename t
+
+# define BOOST_concept(name, params)                                            \
+    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename, ~, params) >     \
+    struct name;                                                                \
+    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename, ~, params) >     \
+    struct BOOST_PP_CAT(name,Concept) : name< BOOST_PP_SEQ_ENUM(params) >       \
+    { BOOST_PP_CAT(name,Concept)(); }; /* ctor needed to satisfy gcc-3.4.4 */   \
+    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename, ~, params) >     \
+    struct name                                                                
+    
+

include/boost/concept/detail/concept_undef.hpp

@@ -0,0 +1,5 @@
+// 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)
+# undef BOOST_concept_typename
+# undef BOOST_concept