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