Rust Development Expert knowledge for modern systems programming with Rust, focusing on memory safety, fearless concurrency, and zero-cost abstractions. When to Use This Skill | Use this skill when... | Use sibling skill instead when... | |---|---| | Writing Rust code, ownership, lifetimes, async/await | Configuring lint rules in detail -- use | | Choosing crates from the ecosystem (Tokio, Serde) | Detecting unused dependencies -- use | | Designing module structure or trait hierarchies | Running tests with parallel isolation -- use | | Learning idiomatic Rust patterns and edition features | G…