From: Jim Freeze Date: 2005-06-03T07:30:42+09:00 Subject: Re: Interesting discovery... * Joel VanderWerf [2005-06-03 06:43:40 +0900]: > Jim Freeze wrote: > >* Joel VanderWerf [2005-06-03 04:43:52 +0900]: > >I'm not sure I understand. If the method exists, what is the > >need for rescue to be called? > > I was unclear: I was hypothesizing a different test, in which a certain > proportion of the objects had the method and the rest did not. It might > be interesting to determine what ratio is the break-even point... Yes, but doesn't that ratio depend upon the time taken in each method? I think the rule of thumb is: - If a missing method is a rare occurance, use rescue - If a missing method is common and expected, use #respond_to - If you don't know, then drop back ten yards and punt. -- Jim Freeze Theory and practice are the same, in theory. -- Ryan Davis