Refinements in Ruby are going to be a BFD, but may...
Magnus Holm has a SWEET rundown of refinements over at his blog. The original patch and commentary can be seen here. Something about this smells like a pretty big fucking deal. This is going to drive a lot of innovation; people are going to be able to do a lot of really sweet things w/ refinements. No longer will horrible monkey patches be banished to the bowels of our applications. No longer...