------ art_11859_3812602.1189453411264 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline that's just what I was looking for. thanks the both of you Dante On 9/10/07, Phlip <phlip2005 / gmail.com> wrote: > > Dante Regis wrote: > > > It was something like [0, 1, 2].each { } , with some char inside the > > brackets, like &, but I can't remember it. anyone knows how to use it? > > If I guess correctly, ActiveSupport has a cute little tweak that permits > this: > > p (0..10).to_a.map(&:to_s) > > Any place you can write {|x| x.y}, you can shorten that to (&:y). This > works > great with ActiveRecord, to convert a list of database records into a list > of one of its fields: > > p User.find(:all).map(&:name) > > -- > Phlip > > > ------ art_11859_3812602.1189453411264--