rust-lang/rust — pull request #19871 by pczarn (2014-12-15 09:15:32+00:00)
Title: Implement remove for RingBuf

Includes a fix for a small mistake in `fn insert` which is caught by test_insert for len=15, but not len=7.

Part of #18424

r? @Gankro @csherratt @huonw