On Wed, Jan 29, 2014 at 9:52 PM, Sean McArthur <[email protected]> wrote: > Part of the nice thing about `let mut` is that it requires you to opt-in to > mutability, making it a conscious choice. > > Having `let` and `var` would make Rust be like ES6: we all look at `let` and > say "why bother". For Rust, I imagine many would get into the habit of using > `var` over `let` because it's easier, and as code samples show up using it, > newcomers would default to using `var`.
Rust does give a warning when variables are unnecessarily mutable. _______________________________________________ Rust-dev mailing list [email protected] https://mail.mozilla.org/listinfo/rust-dev
