On 7/11/07, dblack / wobblini.net <dblack / wobblini.net> wrote: > Hi -- > > On Wed, 11 Jul 2007, Pit Capitain wrote: > > > 2007/7/10, James Edward Gray II <james / grayproductions.net>: > >> I've also recently adopted the trick of using _ as an unused > >> parameter name. I believe it was Ara that first suggested this and I > >> think it's a great idea: > >> > >> hash.sort_by { |key, _| }> > > > Maybe it was Ara indeed, but the first reference I found on ruby-talk > > was a post from Nikolai Weibull almost two years ago. See > > ruby-talk:149793. > > Isn't that the same as: > > hash.sort_by {|key,| ... } > > (assuming one isn't going to make use of the value in _)? yup was brought up by Robert (Klemme) recently, and if memory serves { | , key | ... } does not work :(. > Robert -- I always knew that one day Smalltalk would replace Java. I just didn't know it would be called Ruby -- Kent Beck