From: "Marcin Mielżyński" Date: 2004-08-07T23:36:23+09:00 Subject: Re: const_defined? raises NameError ? Hi, > > if defined?(SomeConst) > Thanks for Your answer, but I think the first question is still open since the Const is given as a String and the const_defined? raises an error. Of course a can catch it but on the other hand I don't know how exception mechanisms in Ruby affect performance. Marcin Milezynski