This is nonsense. In this context, safety is a term whose meaning is implied by Rust's design, i.e. it refers to code that's not unsafe. This doesn't translate

This is nonsense. In this context, safety is a term whose meaning is implied by Rust's design, i.e. it refers to code that's not unsafe. This doesn't translate to much of anything in the world outside of Rust, and it boggles my mind that so many HN comments use it as a mere buzz word, thus devaluing it.