M03 Mutability
actionbook/rust-skillsRust code sometimes refuses to compile with confusing mutability errors. This skill helps you understand and fix those errors quickly. You will learn about borrowing rules and interior mutability patterns.
The skill explains when to use Cell, RefCell, Mutex, and RwLock. It also covers common error codes like E0596, E0499, and E0502. You will see how to choose the right pattern for single-thread or multi-thread code.
By following the prompts and decision guides, you can avoid anti-patterns like overusing RefCell or ignoring runtime panics. The goal is to write safe, performant Rust code with clear ownership design.
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mkdir -p .claude/skills/m03-mutabilitySource Repository
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