From: Gregory Brown <gregory.t.brown@...>
Date: 2007-01-22T05:01:22+09:00
Subject: Re: inspect...and modify a proc object?

On 1/21/07, Gregory Brown <gregory.t.brown@gmail.com> wrote:
> On 1/21/07, kelly <railsinator@gmail.com> wrote:
> > myproc.methods returns the methods of the proc object itself. The proc
> > object, I guess, is a container for the original block. I'm interested
> > in the contents of the original block.
> >
> > Any suggestions for exposing details about the original block?
>
> this seems just plain evil, so please think about why you'd ever do
> it, and also, look for better solutions! :)

Actually, sorry that doesn't do the trick.  It'll give you the
enclosing scope, but not access to the block local scope.

>> b = lambda { |x| n=3; x + a }
=> #<Proc:0x0031bdc8@(irb):10>
>> b.eval_with_binding('n')
NameError: undefined local variable or method `n' for main:Object
        from (irb):10
        from (irb):10
>> b[10]
=> 20
>> b.eval_with_binding('n')
NameError: undefined local variable or method `n' for main:Object
        from (irb):10
        from (irb):10