EnableIf 7896 modules/ts/include/opencv2/ts/ts_gtest.h template<bool> struct EnableIf; EnableIf 7897 modules/ts/include/opencv2/ts/ts_gtest.h template<> struct EnableIf<true> { typedef void type; }; // NOLINT EnableIf 19000 modules/ts/include/opencv2/ts/ts_gtest.h typename EnableIf<!is_pointer<T2>::value>::type* = 0) {