What's new in Ruby 2.3 EnumerableA closer look at Enumerable's grep_v and chunk_while You may have heard Ruby 2.3 dropped on Christmas this past year. Two new Enumerable instance methods were added, grep_v and chunk_while, both of which are variations on other Enumerable methods. We'll dissect both here below. Triple Lindey Grep allows you to select members of a collection that match an expression. That expression is some_object
