mozilla/rust — pull request #13819 by nick29581 (2014-04-28 08:57:45+00:00)
Title: Refactor ty_str to use a ~(str) representation.

Similar to my recent changes to ~[T]/$[T], these changes remove the vstore abstraction and represent str types as ~(str) and &(str). The Option in ty_str is the length of the string, None if the string is dynamically sized.