A collection of over 800 lints to catch common mistakes and improve your Rust code.
Clippy is a static analysis tool for Rust that provides over 800 lints to catch common mistakes, enforce idiomatic code, and improve performance. It helps developers write safer and more efficient Rust code by identifying potential issues early in the development process. Clippy integrates directly with Cargo and can be run as a subcommand or via `clippy-driver` for non-Cargo projects.
Rust developers of all levels who want to improve code quality, enforce consistent style, and catch bugs before they reach production. It's especially valuable for teams adopting Rust or maintaining large codebases.
Developers choose Clippy because it's the official Rust linter with deep integration into the ecosystem, offering a vast collection of curated lints, automatic fixes, and flexible configuration. Its ability to categorize lints and adapt to project-specific needs makes it an indispensable tool for maintaining high-quality Rust code.
A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/
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With over 800 lints organized into categories like correctness and performance, Clippy provides exhaustive static analysis, catching a wide range of issues from bugs to style violations.
It integrates as a subcommand (`cargo clippy`) and supports workspaces, making it easy to run on specific crates or entire projects, fitting naturally into Rust workflows.
Many lints offer automatic fixes via `cargo clippy --fix`, allowing developers to quickly improve code quality without manual edits, as highlighted in the usage section.
Configurable via TOML files, environment variables, and command-line flags, with MSRV support to disable lints for older Rust versions, offering tailored linting per project needs.
The pedantic category includes lints prone to false positives, as noted in the README, which can lead to unnecessary warnings and require manual review.
With over 800 lints, managing which to enable or disable can be overwhelming, and the restriction category's contradictory nature requires careful, case-by-case handling.
Clippy only works with Rust code, offering no support for multi-language projects, which might be a drawback in polyglot environments.