From: Phrogz <gavin@...>
Date: 2007-03-07T05:50:05+09:00
Subject: Re: remove duplicates of array of object based on a attribute

Erik Veenstra wrote:
> And here's the inevitable one-liner... :}

Not that we're golfing, but I like this one better in terms of one-
linedness:
  Hash[ *map{ |o| [ o[:id], o ] }.flatten ].values