purescript/purescript-strings — pull request #18 by NightRa (2014-11-21 17:55:50+00:00)
Title: Added a null,singleton,uncons,takeWhile and dropWhile to Data.String

Added a null,singleton,uncons,takeWhile and dropWhile to Data.String.

I made the takeWhile and dropWhile functions foreign to avoid the unpacking overhead.