From: Jim Freeze <jim@...>
Date: 2005-09-28T04:24:21+09:00
Subject: Re: Class and Iterator Design Question

On 9/27/05, Jim Freeze <jim@freeze.org> wrote:

Concerning multiple containers for an object:
> Here are four methods that I can see as potential solutions:
>
>   1. obj.each(:container) { |element| ... }
>   2. obj.each_container { |element| ... }
>   3. obj.container.each { |element| ... }
>   4. obj.container; obj.each { |element| ... }
>
> No. (4) simply sets an internal state variable to indicate which container
> #each uses. Not pretty, and not thread safe, but permits Enumerable to
> be used.

I am curious what people think about these methods.
To all you pattern experts, is there a pattern for this
situation?

--
Jim Freeze