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Crust of Rust: async/await

Jon Gjengset · tutorial · Watch on YouTube

C, C++, Rust, Go & systems languages

What it is

Jon Gjengset's long live-coding Crust of Rust episode on async/await, focused on the mental model for using it rather than on Futures, Pin and Wakers internals. Topics include awaiting multiple futures, cancellation, executors and select.

Why Hacker News recommends it

Recommended as a deep, practical dive for learning how Rust async works.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2023, last 2026

What HN commenters said

  1. “these two videos are also great deep dives into Rust async”

    Deep dive into Rust async and its model

    SnowProblem, 2023-08 · Recommendation · in “Learning Async Rust with Too Many Web Servers”

  2. “you can watch John Gjengset's crust of rust async,”

    Crust of Rust episode for learning Rust async

    lame_lexem, 2026-05 · Recommendation · in “Async Rust never left the MVP state”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: rust, async, futures, concurrency, live coding

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