From: Phrogz <gavin@...>
Date: 2007-01-21T03:06:58+09:00
Subject: Re: Proper way to either create or append to an array?

Adam Block wrote:
> Let's say I want to either create a new named array or append to that
> array if it already exists. Is there a more elegant way of doing the
> following?
>
> >> @foo[:bar].nil? ? foo[:bar] = ["snafu"] : foo[:bar] << "snafu"

Dunno if you'd call it elegant, but I frequently write:

( @foo[:bar] ||= [] ) << "snafu"