mozilla/rust — pull request #3518 by erickt (2012-09-18 02:59:42+00:00)
Title: copyless io::BytesWriter and rewriting str::raw::from_buf_len_nocopy

These are simple patches that make `io::BytesWriter` more efficient by eliminating a copy. It also makes `str::raw::from_buf_len_nocopy` match `vec::raw::form_string`'s api.