TupleTraits 64 modules/cudev/include/opencv2/cudev/util/tuple.hpp template <typename T> struct TupleTraits TupleTraits 70 modules/cudev/include/opencv2/cudev/util/tuple.hpp struct TupleTraits< tuple<P0, P1, P2, P3, P4, P5, P6, P7, P8, P9> >