mozilla/rust — pull request #11598 by alexcrichton (2014-01-16 09:07:21+00:00)
Title: Tweak the interface of std::io

* Reexport io::mem and io::buffered structs directly under io, make mem/buffered
private modules
* Remove with_mem_writer
* Remove DEFAULT_CAPACITY and use DEFAULT_BUF_SIZE (in io::buffered)

cc #11119