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Trait with associated type with covariant lifetime parameter

trait SomeTrait { type AssociatedType<'a>; } fn shorten<'short, 'long: 'short, T: SomeTrait>(value: T::AssociatedType<'long>) -> T::AssociatedType<'short> { value } This doesn't compile, because the lifetime parameter…

How to think about deallocation when you have graph + slotmap?

I have some code that uses a tree of widgets stored in a slotmap. Well, it's technically a graph, not a tree, because I can walk up to parent: Option<WidgetId> or down to children: Vec<WidgetId>. These properties are…

Pre-RFC: Anonymous Trait Impls

Hey there, I was just talking briefly in the Rust discord about ideas for an anonymous trait impl concept, here's what we have so far. Sample syntaxes actively in-debate: fn create_trait(id: u32) -> impl Trait { return…

Can safe Rust ever beat Google's C Brotli?

Rust & Linux Community Event – November 20–21, 2026 @ TUXEDO, Augsburg – Help us choose the workshop topic

We Have Named Arguments at Home: a reply to the blog post Arguing about arguments mentioned in the last issue

Scientific Computing in Rust #22 (September 2026)

Native support for Rust on the GPU

Listening to the radio with Rust

Dropping Swift from our Bevy iOS crates

Rusty thoughts on "Parse, don't validate"

Compiling the kernel with gccrs

Supporting native Rust in Workers with the new Emscripten target for wasm-bindgen

Green Threads from Scratch

The state of SIMD in Rust in 2026

Building a DMA based driver for the RP2350 I2C (safety not included)

Making Our GPUI App Interactive with State and Events

Domain–Flow–Effects (DFE): an architecture designed for Rust

How do you stop being a Rust novice?

The Embedded Rustacean Issue #81