tomevault-io Rust Async Skill
Tokio Basics
#[tokio::main]
async fn main() {
let result = fetch_data().await;
}
async fn fetch_data() -> Result<String, Error> {
// async operation
}
Spawning Tasks
let handle = tokio::spawn(async move {
expensive_operation().await
});
let result = handle.await?;
Send + Sync Bounds
Send: Can transfer across thread boundariesSync: Can be shared across threads (&T is Send)- Use
Arcinstead ofRcfor thread-safe reference counting
Review Severity
- CRITICAL: Blocking calls in async functions
- MAJOR: Using Rc in async code (not Send)
- MINOR: Not using async context managers
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