The Async Book (Rust)
The official MIT/Apache-2.0 Rust async guide — futures, executors, await semantics, pinning, streams, and combinators. Runnable Rust exercises drill each primitive (impl Future, join!, select!, stream adapters) with tokio + futures-rs.
- Rust
- 22 lessons
- ~4 hours
- Free
- by The Rust Project
Learn Rust for free on Libre Academy with the The Async Book (Rust) course: 22 interactive lessons you complete by writing real code in a built-in editor, graded instantly by hidden tests. No paywall, no sign-up. It's part of the free, open-source desktop app for macOS, Windows and Linux.
What you get
- Hands-on lessons with a real editor and instant, test-graded feedback.
- Free and open source, with no account required to start.
- Works offline in the free desktop app for macOS, Windows and Linux.
- Rust runs via a hosted playground.
What's inside
- Why Async?
- async / .await Syntax
- The Future Trait
- Pinning
- Streams
- Composing Multiple Futures
- Workarounds and Limitations
Download to start The Async Book (Rust) → More free Rust courses
Helpful reading
Why passive video doesn't make you a programmer · Bring Your Own Book: turning any PDF into a course