Rust Operations Comprehensive Rust skill covering ownership, async, error handling, and the production ecosystem. Ownership Quick Reference The Borrow Rules 1. At any time, you can have either one or any number of 2. References must always be valid (no dangling) 3. These rules are enforced at compile time (zero runtime cost) Error Handling Decision Tree thiserror (Library Errors) anyhow (Application Errors) The ? Operator Deep dive : Load for Result/Option combinators, error conversion patterns, panic/recover. Trait Design Quick Reference Common Derives Trait Objects vs Generics | | Trait Obj…