From: Erik Veenstra <erikveen@...>
Date: 2006-07-23T01:43:47+09:00
Subject: Re: when I say method_defined? I mean it!

>   def wrap_method( sym, &blk )
>     raise ArgumentError, "method does not exist -- #{sym}" unless method_defined?( sym )
>     old = instance_method(sym)
>     define_method(sym) { |*args| blk.call(old.bind(self), *args) }
>   end

Replace "unless method_defined?( sym )" with "unless
(method(sym) rescue nil)".

But you don't need this check. instance_method(sym), on the
next line, already performs this check for you.

gegroet,
Erik V. - http://www.erikveen.dds.nl/