On Fri, Apr 16, 2010 at 6:09 PM, John Lane <ruby-forum / jelmail.com> wrote: > > I found the explanation from Jesus about (&:first) very interesting but > I'm not sure I think it improves readability. I read these: > http://pragdave.pragprog.com/pragdave/2005/11/symbolto_proc.html > http://www.ruby-forum.com/topic/161089 > > Personally I think the Symbol#to_proc approach is less idomatic than the > long hand version but I guess it's a matter of personal taste. Actually, given the definition of idiom, I'd argue that it's MORE idiomatic. The Symbol#to_proc idea has been around ruby for quite a while. It got picked up in Rails some time ago, and is popular in the rails community despite a certain cost in performance which I believe has been ameliorated in Ruby 1.9 which made it part of the core. -- Rick DeNatale Blog: http://talklikeaduck.denhaven2.com/ Github: http://github.com/rubyredrick Twitter: @RickDeNatale WWR: http://www.workingwithrails.com/person/9021-rick-denatale LinkedIn: http://www.linkedin.com/in/rickdenatale