From: Robert Dober Date: 2008-03-29T04:24:59+09:00 Subject: Re: Introspecting Method Arguments with Method.arity AFAIK there is only the brute force approach, but it will loop forever if there is a splat (note that Mauricio assumes a maximum of 20 parameters), I am afraid there is no solution in Ruby1.8 and I do not know if this changes in Ruby1.9? Robert -- http://ruby-smalltalk.blogspot.com/ --- Whereof one cannot speak, thereof one must be silent. Ludwig Wittgenstein