From: dblack@...
Date: 2007-02-21T05:11:07+09:00
Subject: Re: adding local variables via block

Hi --

On Wed, 21 Feb 2007, Tim Pease wrote:

> In the more general case, you would need to use one of the 'eval'
> methods in order to create a new local variable in a local namespace.
> However, (1) the 'eval' methods work only on strings and not blocks,
> and (2) they are mostly evil and should be handled with great care.

Actually the only one that works only on strings is eval.
instance_eval and class_eval work on blocks too.


David

-- 
Q. What is THE Ruby book for Rails developers?
A. RUBY FOR RAILS by David A. Black (http://www.manning.com/black)
    (See what readers are saying!  http://www.rubypal.com/r4rrevs.pdf)
Q. Where can I get Ruby/Rails on-site training, consulting, coaching?
A. Ruby Power and Light, LLC (http://www.rubypal.com)