mozilla/rust — pull request #13165 by sfackler (2014-03-27 05:55:41+00:00)
Title: Some de-~[] work in std::io

`Reader`, `Writer`, `MemReader`, `MemWriter`, and `MultiWriter` now work with `Vec` instead of `~[u8]`. This does introduce some extra copies since `from_utf8_owned` isn't usable anymore, but I think that can't be helped until `~str`'s representation changes.