From: Chris Carter <cdcarter@...>
Date: 2007-05-25T21:05:47+09:00
Subject: Re: Replacement idiom for "list_or_nil.to_a"?

On 5/25/07, Robert Klemme <shortcutter@googlemail.com> wrote:
> irb(main):001:0> class NilClass
> irb(main):002:1> def each; self; end
> irb(main):003:1> include Enumerable
> irb(main):004:1> end
> => NilClass
> irb(main):005:0> nil.each {|x| puts x}
> => nil
> irb(main):006:0>

That hack will also make nil.to_a => [].


-- 
Chris Carter
concentrationstudios.com
brynmawrcs.com