scala/scala — pull request #4065 by hochgi (2014-10-20 07:02:12+00:00)
Title: Propsing a simple addition to collections API

I often find myself in need of a method like `groupWhile` (it similar in essence to `takeWhile`, and hence the name). so far I've written similar solutions using `foldLeft` or `span`, but it is less convinient to use.