coding-guidelines
Use when asking about Rust code style or best practices. Keywords: naming, formatting, comment, clippy, rustfmt, lint, code style, best practice, P.NAM, G.FMT, code review, naming convention, variable naming, function naming, type naming, 命名规范, 代码风格, 格式化, 最佳实践, 代码审查, 怎么命名
How do I install this agent skill?
npx skills add https://github.com/zhanghandong/rust-skills --skill coding-guidelinesIs this agent skill safe to install?
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This skill is a collection of Markdown-based documentation regarding Rust coding conventions and Clippy lint mappings. It consists entirely of informational text and tables, with no executable code, script execution, network capabilities, or instructions that could compromise security.
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What does this agent skill do?
Rust Coding Guidelines (50 Core Rules)
Naming (Rust-Specific)
| Rule | Guideline |
|---|---|
No get_ prefix | fn name() not fn get_name() |
| Iterator convention | iter() / iter_mut() / into_iter() |
| Conversion naming | as_ (cheap &), to_ (expensive), into_ (ownership) |
| Static var prefix | G_CONFIG for static, no prefix for const |
Data Types
| Rule | Guideline |
|---|---|
| Use newtypes | struct Email(String) for domain semantics |
| Prefer slice patterns | if let [first, .., last] = slice |
| Pre-allocate | Vec::with_capacity(), String::with_capacity() |
| Avoid Vec abuse | Use arrays for fixed sizes |
Strings
| Rule | Guideline |
|---|---|
| Prefer bytes | s.bytes() over s.chars() when ASCII |
Use Cow<str> | When might modify borrowed data |
Use format! | Over string concatenation with + |
| Avoid nested iteration | contains() on string is O(n*m) |
Error Handling
| Rule | Guideline |
|---|---|
Use ? propagation | Not try!() macro |
expect() over unwrap() | When value guaranteed |
| Assertions for invariants | assert! at function entry |
Memory
| Rule | Guideline |
|---|---|
| Meaningful lifetimes | 'src, 'ctx not just 'a |
try_borrow() for RefCell | Avoid panic |
| Shadowing for transformation | let x = x.parse()? |
Concurrency
| Rule | Guideline |
|---|---|
| Identify lock ordering | Prevent deadlocks |
| Atomics for primitives | Not Mutex for bool/usize |
| Choose memory order carefully | Relaxed/Acquire/Release/SeqCst |
Async
| Rule | Guideline |
|---|---|
| Sync for CPU-bound | Async is for I/O |
| Don't hold locks across await | Use scoped guards |
Macros
| Rule | Guideline |
|---|---|
| Avoid unless necessary | Prefer functions/generics |
| Follow Rust syntax | Macro input should look like Rust |
Deprecated → Better
| Deprecated | Better | Since |
|---|---|---|
lazy_static! | std::sync::OnceLock | 1.70 |
once_cell::Lazy | std::sync::LazyLock | 1.80 |
std::sync::mpsc | crossbeam::channel | - |
std::sync::Mutex | parking_lot::Mutex | - |
failure/error-chain | thiserror/anyhow | - |
try!() | ? operator | 2018 |
Quick Reference
Naming: snake_case (fn/var), CamelCase (type), SCREAMING_CASE (const)
Format: rustfmt (just use it)
Docs: /// for public items, //! for module docs
Lint: #![warn(clippy::all)]
Claude knows Rust conventions well. These are the non-obvious Rust-specific rules.
How can the creator link this skill?
Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.
<a href="https://skillzs.dev/skills/zhanghandong/rust-skills/coding-guidelines">View coding-guidelines on skillZs</a>