#Author : Steve Allen
#name : instance Connection#(a,b); mkConnection(a,b)... endinstance
# --
////////////////////////////////////////
// connect from first interface to second interface
instance Connectable#( ${1:typeA}, ${2:typeB} );
   module mkConnection#( $1 f, $2 t) (Empty);
     $0
   endmodule
endinstance

// same mkConnection, but just in case you put them backwards
// NOTE: if both arguments are the same interface, this should be deleted!
// so there are not two connectables with the same interface connecting to each
instance Connectable#( $2, $1 );
   module mkConnection#( $2 t, $1 f) (Empty);
       mkConnection( f, t );
   endmodule
endinstance