Async Rust in 2026: Native async fn in Traits, Async Closures, and When You Still Need async-trait
Rust 1.85 brought async closures; async fn in traits has been stable since 1.75. But dyn dispatch still needs workarounds — here is what to use when.
Rust 1.85 brought async closures; async fn in traits has been stable since 1.75. But dyn dispatch still needs workarounds — here is what to use when.