From: Day <iamday@...>
Date: 2008-02-14T06:13:12+09:00
Subject: Re: ruby wish-list

On Feb 13, 2008 2:32 PM, Joel VanderWerf <vjoel@path.berkeley.edu> wrote:
> so (whatever Hash#- does) it involves making a copy of the hash and
> changing that instead, whereas #delete is destructive.

Which means if you use #- you're creating a new object and #delete
does not, right? It may not be much of a drain, but you want to cut
back on object creation when it's obviously superfluous, right?


Ben