rust

Guide for async and concurrent Rust programming. Use when writing async functions, using tokio, spawning threads, working with channels, or sharing state with Arc/Mutex.

Guide for Rust error handling. Use when working with Result, Option, the ? operator, or implementing custom error types.

Guide for Rust ownership, borrowing, and lifetimes. Use when working with ownership rules, move semantics, borrowing, slices, or lifetime annotations.

Guide for Rust programming language. Use when writing Rust code, setting up Rust projects, or needing an overview of Rust development workflows.

Guide for Rust testing and Cargo usage. Use when writing unit or integration tests, configuring Cargo.toml, or running cargo commands.

Guide for Rust best practices, common patterns, and idiomatic code. Use when following Rust idioms, applying design patterns, or writing idiomatic Rust.