From: Paul Battley <pbattley@...>
Date: 2006-06-30T00:24:36+09:00
Subject: Re: Changes to x within x.each()

On 29/06/06, Phillip Hutchings <sitharus@sitharus.com> wrote:
> 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.

Yep. You can see this in the 'why do only half the elements from my
array get deleted?' problem:

array = %w[a b c d e f g h i j k]
array.each do |e|
  array.delete(e)
end
array # => ["b", "d", "f", "h", "j"]

Paul.