From: "F. Senault" Date: 2010-09-21T04:40:19+09:00 Subject: Re: An elegant way... Le 20 septembre � 20:59, James Edward Gray II a �crit : >>> RUBY_VERSION > => "1.9.2" >>> Enumerable.public_instance_methods.include? :slice_before > => true > > It was added in 1.9.2, I believe. >> RUBY_VERSION => "1.9.1" >> Enumerable.public_instance_methods.include? :slice_before => false Indeed. Explains why I can't find it in my third edition Pick Axe... Fred -- The problem with defending the purity of the English language is that English is about as pure as a cribhouse whore. We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary. (James D. Nicoll, rasfw)