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.