From: Carlos <angus@...>
Date: 2004-08-07T09:00:21+09:00
Subject: Re: Defining a new function by composition

[Edgardo Hames <ehames@gmail.com>, 2004-08-06 23.36 CEST]
> Since there is a method push which modifies the receiver, I believe
> pop should do the same. I find it kind of odd this isn't so.

$ ruby -e 'a=[1,2,3]; a.pop; p a'
[1, 2]