From: dblack@...
Date: 2006-10-10T18:15:22+09:00
Subject: Re: || explanation in ruby... in pseudolanguage

Hi --

On Tue, 10 Oct 2006, Tom Armitage wrote:

>> Anyway, if it helps, I tend to think of the |var| notation as "with", e.g.
>> 
>> some_list.each do |item| ... end
>> 
>> becomes (at least in my head) some_list each do with item ...
>
> Interesting - I tend to think of it as "as", which doesn't
> transliterate as well, but indicates that the object inside the pipes
> is temporary; it's just a name we're giving the iterated objects.

Possibly...

   item = 1
   [2,3,4].each do |item| end
   p item                      # 4


David

-- 
                   David A. Black | dblack@wobblini.net
Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org