From: Robert Dober <robert.dober@...>
Date: 2007-08-04T04:46:32+09:00
Subject: Re: Getting the 'Sender' or 'Caller' object of a method

On 8/3/07, ara.t.howard <ara.t.howard@gmail.com> wrote:
>
> On Aug 3, 2007, at 11:50 AM, Trans wrote:
>
> >   You can always take a block and get the binding from it:
> >
> >   def method(&b)
> >     callers_binding = b.send(:binding)
> >   end
> >
> > I works always. Yes, it means passing a block, but sometimes that's
> > useful anyway.
> >
>
> ??
>
> cfp:~ > cat a.rb
> def a &b
>    eval 'self', b.send(:binding)
> end
>
> require 'binding_of_caller'
> def b
>    Binding.of_caller{|binding| eval 'self', binding}
> end
>
> p self
> p a
> p b
>
>
> cfp:~ > ruby a.rb
> main
> nil
> main
>
>
> cfp:~ > ruby -v
> ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-darwin8.9.1]
>
>
> am i misunderstanding?
yup, Tom asks us to kindly pass him a block

p a {}

one could consider it cheating, but it is incredibly useful, I did not
know about it.

Thx and Cheers
Robert
-- 
[...] as simple as possible, but no simpler.
-- Attributed to Albert Einstein