rust-lang/rust — pull request #18008 by jrgold (2014-10-13 16:21:23+00:00)
Title: Doc: Clarify the meaning of "copy" in std::mem::swap/replace

The use of "without copying" in the std::mem docs was a source of confusion to those less familiar with Rust, as it could refer to either semantic copying or byte copying. This clarifies which meaning was intended.