From: Fredrik <fredjoha@...>
Date: 2009-04-30T08:20:07+09:00
Subject: Re: Hash#map

> irb(main):041:0> o={"a",1,"b",2}
> => {"a"=>1, "b"=>2}
> irb(main):042:0> o.merge(o){|k,ov|ov*2}
> => {"a"=>2, "b"=>4}
>
Thanks! That's the piece missing from my Ruby skills! :) Though o.merge
(o) doesn't look as pedagogically clear as o.map, it'll have to do.