This July in Rust

News and Announcements

• 🎈🎉 Announcing Rust 1.36.0. 🎉🎈
  • Future is stable!
  • The alloc crate is stable!
  • MaybeUninit<T> officially replaces mem::uninitialized!
  • NLLs for Rust 2015!
  • A new HashMap implementation!
  • … and more!
• Non-Lexical Lifetimes Arrive For Everyones - As of Rust 1.36, the 2015 edition of Rust has non-lexical lifetime support! This article talks at length about NLLs and the various edge cases where existing (unsound) code will be rejected.
• Async-await status report #2
  • Shooting for stabilization of the async/await syntax in 1.38.
  • Rejuvinating work on the Rust Async Book.
  • Gives an update on what future work comes next.

Helpful Articles

• Building crates so they look like C(ABI) Libraries
• What Is Rust’s unsafe? - An informative look at what “unsafety” means in the context of Rust.
• Perils of Constructors - A look at how Rust’s method for initializing structs avoids many of the subtle complications that come with traditional constructors.
• HOWTO: Replace mem::uninitialized with mem::MaybeUninit

Tales from Production

• Brave Improves Its Ad-Blocker Performance by 69x with New Engine Implementation in Rust
• Why was the Rust language chosen? - Rust was brought up in the U.S. House Committee on Financial Services hearing about Facebook’s Libra currency.
• Why Rust for safe systems programming - From the Microsoft Security Response Center.