Rust Crate Hub | Discover & Install Rust Packages
Explore a comprehensive collection of high-quality Rust packages. Find, install, and manage your dependencies with crates.io, the official Rust package registry.
Featured
Frequently Asked Questions
A collection of common questions and answers related to using and contributing to crates.io.
Key Features
The platform offers features such as version control, dependency resolution, and easy integration with the Rust build system.
Common Use Scenarios
Rust developers use crates.io to find libraries for networking, database connectivity, GUI development, and more, simplifying their software development process.
Browsing and searching for packages
Crate.io offers a seamless experience for browsing and searching through a vast collection of Rust packages. With an intuitive interface, users can easily explore different categories, discover new libraries, and find the right tools for their projects. The search functionality allows for quick access to specific packages by name, author, or even by the features they provide.
Filtering by keywords, categories, and popularity
To help users narrow down their search, crates.io provides advanced filtering options. Users can filter packages by keywords related to the functionality they seek, allowing them to find packages that cater to their needs. Additionally, categorization helps in discovering packages based on their purpose, such as web development, data processing, or game development. Popularity-based sorting also ensures that well-established and widely-used packages are easily discoverable.
Viewing package documentation
Crates.io not only hosts packages but also makes it convenient to access their documentation. Each package listing includes a link to the crate's documentation, which often contains detailed explanations, usage examples, and API references. This feature encourages collaboration and learning within the Rust community, as developers can easily understand and integrate packages into their projects without having to dig through source code.
Creating and uploading new packages
To publish a new package on crates.io, you'll need to have a Cargo.toml file defining your project. Register your crate with the `cargo login` command using your crates.io API token. Then, use `cargo publish` to upload your package after ensuring it meets all the necessary requirements, such as having a valid license and README file.
Versioning and semantic versioning compliance
Crates on crates.io adhere to Semantic Versioning (SemVer). When releasing a new version, increment the major, minor, or patch number appropriately based on the changes made. It's crucial to maintain compatibility with previous versions; breaking changes should only be introduced in major version updates. Always include a changelog detailing the modifications for each release.
Maintainer tools for managing package versions and collaborators
As a package maintainer, you can manage your crate's versions and collaborators through the crates.io web interface. You can add or remove contributors, set version permissions, and mark specific versions as deprecated. Regularly updating and monitoring your package's dependencies helps ensure its stability and security. Additionally, use cargo owner commands to manage ownership from the command line, allowing efficient collaboration with other developers.
Using Cargo, Rust's build tool
Cargo, Rust's official package manager, plays a central role in integrating with crates.io. Developers can easily manage their project dependencies by specifying them in the `Cargo.toml` file. crates.io serves as the repository from where Cargo fetches these dependencies, ensuring version control and simplifying the build process for Rust developers.
Automated testing and continuous integration
Crates.io supports seamless integration with popular continuous integration (CI) platforms. By configuring CI pipelines, Rust projects can automatically run tests and linting checks whenever new code is pushed or a new version of a dependency is published on crates.io. This ensures that packages remain stable and compatible with the evolving ecosystem.
Interoperability with Rust tools and IDEs
Crates.io integrates smoothly with a range of Rust development tools and integrated development environments (IDEs). Tools like rust-analyzer, IntelliJ Rust, and Visual Studio Code extensions utilize crates.io metadata to provide code completion, navigation, and other intelligent features. This fosters a productive environment for developers working with crates from the registry.