From: Phillip Hutchings <sitharus@...>
Date: 2006-06-29T13:54:22+09:00
Subject: Re: Changes to x within x.each()

On 6/29/06, Jim V. Tess <jimvtess@gmail.com> wrote:
> Does Ruby have defined behavior for 'each' in the following:
>
>     x.each do |obj|
>         ...
>         x.change()    # This may add or remove objects from x
>     end
>
> Cases:
> 1) Adding or removing objects 'before' obj.
> 2) Adding or removing objects 'after' obj.
>
> I'm primarily interested when x is an array.

From experience Ruby keeps an array index to do each, so if something
inserted after obj it'll work, but something before will cause each to
get obj twice.

-- 
Phillip Hutchings
http://www.sitharus.com/