How to Publish Your First Crate on crates.io

Publish your crate by logging into crates.io, generating an API token, and running cargo publish from your project root.

1. Create an account on crates.io and log in.
2. Generate an API token in your account settings and run cargo login <your-token>.
3. Ensure your Cargo.toml has a unique name and a valid version.
4. Run cargo publish to upload your crate to the registry.

Publishing a crate is like uploading a file to a public library so others can download and use it. You need an account to prove who you are and a command to send your code to the central server. Once uploaded, anyone can install your library into their own projects.