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- 05:12, 22 November 2025 PC talk contribs created page Time-travel in Rust: How Async Functions Resumes Where it Left off! (Created page with "500px Have you ever imagined how a Rust async function resumes from the middle when an async I/O is complete? It feels like pure magic what rust does under the hood, for example: <pre> async fn get_user(id: i32) -> Result<User, Error> { let url = format!("https://api.example.com/users/{}", id); // wait until the api call completes let response = reqwest::get(url).await?; // then wait till the json stream to User struct,...")