On Thu, Oct 6, 2011 at 6:34 PM, SASADA Koichi <ko1 / atdot.net> wrote: > (2011/10/07 1:50), David Graham wrote: >> Is there a chance RBTree can be added to the standard library for Ruby 2.0? I've needed it to implement priority queues and key range scans, but the binary gem doesn't play well with JRuby or Rubinius. It wouldelp if we could count on this data structure being included with Ruby. > > Gem is not enough? I guess I just feel I would use RBTree and NArray a lot more than some things we have in the standard library. It's about the same usefulness as Set, in my opinion. Maybe even a little more. James Edward Gray II