From: Florian Gross <florgro@...>
Date: 2007-01-08T10:14:45+09:00
Subject: Re: a most undangerous Hash#store!

On 2007-01-08 02:00:10 +0100, dblack@wobblini.net said:

> hsh[:key] = "value" unless hsh.has_key? :key
> You can use merge and a one-key hash:
> 
>    hash.merge({ :key => "new value" })

Hm, not really:

{ :key => "old value" }.merge({ :key => "new value" }) # => {:key=>"new value"}