//
// Also defines an equivalent SomeNameConcept for backward compatibility.
// Maybe in the next release we can kill off the "Concept" suffix for good.
-#if BOOST_WORKAROUND(__GNUC__, <= 3)
# define BOOST_concept(name, params) \
template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
struct name; /* forward declaration */ \
struct BOOST_PP_CAT(name,Concept) \
: name< BOOST_PP_SEQ_ENUM(params) > \
{ \
- /* at least 2.96 and 3.4.3 both need this */ \
- BOOST_PP_CAT(name,Concept)(); \
}; \
\
template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
struct name
-#else
-# define BOOST_concept(name, params) \
- template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
- struct name; /* forward declaration */ \
- \
- template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
- struct BOOST_PP_CAT(name,Concept) \
- : name< BOOST_PP_SEQ_ENUM(params) > \
- { \
- }; \
- \
- template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
- struct name
-#endif
// Helper for BOOST_concept, above.
# define BOOST_CONCEPT_typename(r, ignored, index, t) \