Announcing Rust 1.88.0

[NewsBot]

A new Rust blog post/announcement has been posted!

The Rust team is happy to announce a new version of Rust, 1.88.0. Rust is a programming language empowering everyone to build reliable and efficient software.

If you have a previous version of Rust installed via rustup, you can get 1.88.0 with:

$ rustup update stable

If you don't have it already, you can get rustup from the appropriate page on our website, and check out the detailed release notes for 1.88.0.

If you'd like to help us out by testing future releases, you might consider updating locally to use the beta channel (rustup default beta) or the nightly channel (rustup default nightly). Please report any bugs you might come across!

What's in 1.88.0 stable

Let chains

This feature allows &&-chaining let statements inside if and while conditions, even intermingling with boolean expressions, so there is less distinction between if/if let and while/while let. The patterns inside the let sub-expressions can be irrefutable or refutable, and bindings are usable in later parts of the chain as well as the body.

For example, this snippet combines multiple conditions which would have required nesting if let and if blocks before:

<span c...

Get the full details here: Announcing Rust 1.88.0 | Rust Blog