Rust Best Practices

Comprehensive guide for writing high-quality, idiomatic, and highly optimized Rust code. Contains 265 rules across 26 categories, prioritized by impact to guide LLMs in code generation and refactoring. Current for Rust 1.96 (2024 edition).

When to Apply

Reference these guidelines when:

• Writing new Rust functions, structs, or modules
• Implementing error handling or async code
• Writing concurrent, parallel, or unsafe code
• Designing public APIs for libraries
• Reviewing code for ownership/borrowing issues
• Optimizing memory usage or reducing allocations
• Tuning performance for hot paths
• Refactoring existing Rust code

Rule Categories by Priority