From: "Kroeger, Simon (ext)" <simon.kroeger.ext@...>
Date: 2006-05-31T22:47:36+09:00
Subject: Re: habtm on an array


> > class User
> >   def files
> >     groups.inject([]) {|all_files, group|  all_files | group.files}
> >   end
> > end
> 
> Doh!  Yeah.  I goofed.  Thanks.
> 
> Kirk Haines

We all do that - from time to time :)

As Rails implements Symbol#to_proc one should be able to do

myuser.groups.map(&:files).flatten.uniq

but that is getting esotheric.

cheers

Simon