From: Sam Smoot <ssmoot@...>
Date: 2007-06-16T12:00:07+09:00
Subject: Re: Get Parameter names from methods

Uhmm, yeah. Nevermind that version. Perfection!:

> require 'parse_tree'
>
> class UnboundMethod
>
>   def binding_class
>     @class_name || @class_name = begin
>       to_s =~ /\#\<UnboundMethod\:\s(\w+)/
>       Object.const_get($1)
>     end
>   end
>
>   def name
>     @name || @name = begin
>       to_s =~ /\#\<UnboundMethod\:\s\w+\#(\w+)/
>       $1.freeze
>     end
>   end
>
>   def parameters
>     @parameters || @parameters = begin
>       ParseTree.new.parse_tree_for_method(binding_class, name)[2][1][1][1..-1]
>     end
>   end
>
> end

Now any UnboundMethod (written in Ruby) can be inspected for it's
parameters, without any fancy require hacks...