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Rustfmt - An Opinionated Rust Code Formatter
Rustfmt is a tool for formatting Rust code according to a consistent style. It helps ensure code readability and uniformity across projects and teams.
Rust
Added on 2025年7月1日6,345
Stars933
ForksRust
LanguageProject Introduction
Summary
Rustfmt is an official Rust tool that serves as a code formatter for the Rust programming language. Its primary goal is to ensure that all Rust code conforms to a consistent style, making it easier to read, understand, and maintain.
Problem Solved
Manual code formatting is time-consuming, prone to errors, and leads to style inconsistencies within teams and across projects. Rustfmt solves this by automatically applying a standard code style, freeing up developers to focus on logic.
Core Features
Automated Formatting
Automatically formats entire files or selected code snippets to adhere to a defined style guide.
Configuration Options
Allows customization of formatting rules through a configuration file (`rustfmt.toml`) to suit specific project or team preferences.
IDE Integration
Integrates seamlessly with popular Integrated Development Environments (IDEs) and editors for on-save formatting.
Check Mode
Provides a mode to check code style compliance without modifying files, ideal for use in Continuous Integration pipelines.
Tech Stack
Rust
syn (parser library)
clap (CLI argument parser)
使用场景
Rustfmt is an essential tool in the Rust development ecosystem and is used in various scenarios to improve code quality and consistency:
场景一：本地开发工作流
Details
Before committing changes, developers run `rustfmt` on their code to automatically fix any style deviations, ensuring commits adhere to the desired style.
User Value
Developers save time by not manually formatting code and can ensure their contributions match the project's style.
场景二：持续集成/持续部署 (CI/CD)
Details
Integrated into CI pipelines, `rustfmt --check` is used to verify that all submitted code conforms to the project's style. If it doesn't, the build fails.
User Value
Guarantees code style consistency across all merged code, prevents merging poorly formatted code, and automates a critical code quality check.
场景三：编辑器/IDE集成
Details
Many Rust IDEs and editors offer built-in support or plugins to automatically run `rustfmt` every time a file is saved.
User Value
Provides instant formatting feedback and correction, making style adherence effortless for the developer.
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