Go to the documentation of this file.
15 #ifndef MLPACK_CORE_SFINAE_UTILITY
16 #define MLPACK_CORE_SFINAE_UTILITY
18 #include <boost/utility/enable_if.hpp>
19 #include <boost/type_traits.hpp>
40 #define HAS_MEM_FUNC(FUNC, NAME) \
41 template<typename T, typename sig> \
43 typedef char yes[1]; \
44 typedef char no [2]; \
45 template<typename U, U> struct type_check; \
46 template<typename _1> static yes &chk(type_check<sig, &_1::FUNC> *); \
47 template<typename > static no &chk(...); \
48 static bool const value = sizeof(chk<T>(0)) == sizeof(yes); \