From: "David A. Black" <dblack@...>
Date: 2005-09-28T02:53:11+09:00
Subject: Re: Class and Iterator Design Question

Hi --

On Wed, 28 Sep 2005, Jim Freeze wrote:

> This may be a silly design question, but I always balk at
> the right answer when I am confronted with it.
>
> I have a class that manages a list and users need to iterate over that list.
> The way I see it, I have to basic alternatives:
>
>  # Give user access to the array and let them iterate over Array
>  class Pea
>    attr_reader :pods
>  end
>  Pea.new.pods.each { |pod| ..do stuff.. }
>
> or
>
>  # Provide a custom iterator
>  class Pea
>    def each_pod

Why not just call that #each?  (And, as others have said, possibly
include Enumerable, though only if you need the other Enumerable
stuff).


David

-- 
David A. Black
dblack@wobblini.net