19 Nov
2012
19 Nov
'12
5:16 p.m.
Christian Henning wrote:
One more thing do I actually need to build a mpl::bool_ out of the is_same function?
enable_if requres an integral constant wrapper. There is a variant called enable_if_c which allows you to skip that in this case (automatically wraps it, I believe, like mpl::vector_c): #include <boost/mpl/and.hpp> #include <boost/type_traits/is_same.hpp> #include <boost/utility/enable_if.hpp> using namespace boost; struct foo { void bla() { read_data_24<int, int>(); } template< typename T1, typename T2> void read_data_24(typename enable_if_c< is_same< T1, T2 >::value>::type* = 0) { int i = 9; } }; int main(int argc, char* argv[]) { return 0; } HTH, Nate