This January In Rust

News and Announcements

• 🎈🎉 Announcing Rust 1.40.0. 🎉🎈

• #[non_exhaustive] is stable!
• Call proc macros in type contexts!
• Use proc macros in more places!
• Generate macro_rules! macros from proc macros!
• Borrow checker migrations are now hard warnings in Rust 2015.
• The todo! macro!
• … and more!
• Update on const generics progress.
• A sad day for Rust - Be sure to thank an open source maintainer today.

Helpful Articles

• Learn Rust the dangerous way - Start with a program written in C, translate it to unsafe Rust, then learn how to get the same results in (mostly) safe Rust.
• Interior mutability patterns - Learn about different forms of interior mutability.
• Explaining atomics in Rust.
• Why the stabilization of advanced slice patterns is a big deal to me.

Tales from Production

• Porting a JavaScript app to WebAssembly with Rust (part 1).
• What is Rust and why is it so popular - from official StackOverflow blog.
• How to write fast Rust code - Porting a math evaluation library from Go to Rust and getting a x12,000 speed up - And all the profiling techniques it took to get there.

Tools and Toys

• Announcing the official MongoDB Rust driver - Rust is web scale now!
• Writing AWS Lambda functions in Rust.