111K subscribers • 7 videos on Hallway
Intermediate. Assumes working knowledge.
246K views5 years ago2 recommendations
Programming languagesSystems programmingRustConcurrency and parallelism
Jon Gjengset teaches the mental model and intuition for using async/await in Rust, covering futures, cancellation, and executors.
Finally, we tackle the topic of async/await in Rust, and specifically looking at how to use and think about async/await more so than how it works under the hood. My hope with this video is to convey the mental model and intuition you should use when using async/await in your own code, without getting bogged down in the details of Future, Pin, and Wakers. Introduction Fixing the video title What is async fn? awaiting futures Yielding Awaiting one of multiple futures Cancellation Executing futures Select arms with side-effects Cooperative scheduling Selects with many arms Fused futures Overhead of async Is select a future? Awaiting multiple futures Parallelism and spawning Sharing across spawn Runtime discovery Stack variables in async Async fn in traits Asynchronous Mutexes Do futures stay on a thread? Async stack traces Wrapping up The async book: rust-lang.github.io/async-book/ Tokio's mini-redis: github.com/tokio-rs/mini-redis/ Live version with chat: youtu.be/CaCYL11_qEUWhat people say. Highly recommended as an essential deep dive for understanding the mental model of asynchronous programming in Rust.
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