CL_Callback_2_functor< RetVal, P1, P2 >::CL_Callback_2_functor(); CL_Callback_2_functor< RetVal, P1, P2 >::CL_Callback_2_functor( const CL_Callback_2_functor & copy); CL_Callback_2_functor< RetVal, P1, P2 >::CL_Callback_2_functor( Functor functor);