Updates: Status: Closed Comment #3 on issue 3622 by stephane...@gmail.com: [ENH]: Clean up Url>>urlClassForScheme: http://code.google.com/p/pharo/issues/detail?id=3622 Sean I integrated your changes but I think that it would be better to have a classVariable in URL that contains a dictionary and that each class register to it. Like that we do not have to scan all the classes each time. What do you think? Stef

Comment #5 on issue 3622 by sean.p.d...@gmail.com: [ENH]: Clean up Url>>urlClassForScheme: http://code.google.com/p/pharo/issues/detail?id=3622 I agree with both. It would be more efficient. It would also be more complicated. My main concern was eliminating a switch statement and applying the open/closed principle as we strive to make the system beautiful. It seems to me like premature optimization to change the implementation now without pressure from the user side. But I'm just happy it's not ugly any more, so I'll go along with whatever :)