From: Roger Pack <rogerpack2005@...>
Date: 2008-07-15T14:21:15+09:00
Subject: Re: Proc argument names instead of arity


> var func = { |arg1, arg2| arg1 + arg2 }
> => a Function
> var def = func.def
> => a FunctionDef - closed
> def.argumentNames
> => [arg1, arg2]
> 
> Is there any way of doing this with ruby?


Appears that there is.
~ sudo gem install ParseTree

>> class A; def go(b); end; end
>> args = ParseTree.translate(A, :go)[2][1][1]
=> [:args, :b]

Only works with MRI.
Been using it recently for an auto named variable generator.
GL.
-R
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