> Instead, we decided to add the [IntoIterator] trait implementation in all editions (starting in Rust 1.53.0), but add a small hack to avoid breakage until Rus

> Instead, we decided to add the [IntoIterator] trait implementation in all editions (starting in Rust 1.53.0), but add a small hack to avoid breakage until Rust 2021. Eh, why not. We nerds are used to retconning in all the sci-fi universes anyway.