Build and debug asynchronous Rust applications with Tokio, a runtime for scheduling work while operations wait. Apply patterns for task management, channels, error handling, cancellation, and concurrency limits when developing network services and other concurrent systems.
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Master Rust async programming with Tokio, async traits, error handling, and concurrent patterns. Use when building async Rust applications, implementing concurrent systems, or debugging async code.
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Production patterns for async Rust programming with Tokio runtime, including tasks, channels, streams, and error handling.
Future (lazy) → poll() → Ready(value) | Pending
↑ ↓
Waker ← Runtime schedules
| Concept | Purpose |
|---|---|
Future | Lazy computation that may complete later |
async fn | Function returning impl Future |
await | Suspend until future completes |
Task | Spawned future running concurrently |
Runtime | Executor that polls futures |
# Cargo.toml
[dependencies]
tokio = { version = "1", features = ["full"] }
futures = "0.3"
async-trait = "0.1"
anyhow = "1.0"
tracing = "0.1"
tracing-subscriber = "0.3"
use tokio::time::{sleep, Duration};
use anyhow::Result;
#[tokio::main]
async fn main() -> Result<()> {
// Initialize tracing
tracing_subscriber::fmt::init();
// Async operations
let result = fetch_data("https://api.example.com").await?;
println!("Got: {}", result);
Ok(())
}
async fn fetch_data(url: &str) -> Result<String> {
// Simulated async operation
sleep(Duration::from_millis(100)).await;
Ok(format!("Data from {}", url))
}
Detailed pattern documentation lives in references/details.md. Read that file when the navigation tier above is insufficient.
tokio::select! - For racing futuresJoinSet - For managing multiple tasksCancellationTokenstd::thread::sleep in async? or log아직 리뷰가 없습니다. 사용해 본 소감을 남겨 주세요.
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Build and review interfaces against WCAG 2.2 accessibility guidelines. Covers keyboard navigation, screen readers that read interface content aloud, accessible forms, mobile support, and display preferences, helping identify and fix barriers to using a website or app.
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Review AI-generated code for problems hidden behind successful runs. Check failure handling, resource cleanup, unusual inputs, nonexistent dependencies, and departures from project conventions to identify missing safeguards before merging or accepting the work as complete.
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Build Apache Airflow workflows for data pipelines and scheduled jobs. The skill guides task dependencies, retries, waiting for conditions, testing, and deployment, with patterns for tasks that can be safely rerun.
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Plan and carry out an AngularJS to Angular migration, from choosing a rewrite strategy to converting components, services, and routes. Includes a hybrid approach that runs both frameworks together while individual features are migrated.
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Identify software protections that hinder inspection, such as debugger detection and obfuscation that makes code harder to understand. Support authorized binary analysis and CTF security challenges with protection findings, bypass strategies, reports, and analysis scripts.
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Design and review REST and GraphQL APIs with consistent naming, data structures, error responses, pagination for large result sets, and versioning strategies. Helps teams define shared standards and plan changes that existing clients can adopt gradually.
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