rust-patterns

To reduce unnecessary clones and improve error handling in Rust, apply idiomatic patterns like strict ownership rules and the question mark operator for error propagation, refactoring modules to preserve performance.

The best way to handle errors in a Rust library crate is using thiserror for custom error types and anyhow for application-level propagation, ensuring a minimal public surface and robust exhaustive pattern matching.

Safe concurrency in Rust with Arc and Mutex is implemented by wrapping shared state in Arc for thread-safe reference counting and Mutex for mutual exclusion, guaranteeing data race freedom.

Use traits and generics for zero cost abstractions in Rust when building libraries that require clear, reusable interfaces without runtime overhead, enforcing compile-time safety and high performance.

Exhaustive pattern matching matters when reviewing Rust crates because it enforces compile-time checks for all possible enum variants, preventing unhandled cases and ensuring robust ownership and clear abstractions.