This project is a binary crate, which is an executable. The rand crate is a library crate.
To create project:
cargo init --vcs=git
To build and run:
cargo run
After adding a new dependency update the registry of crates:
cargo build
Update and change Cargo.lock:
cargo update
SemVer - Semantic Versioning The number 0.8.3 is a shorthand for ^0.8.3, which means any version that is at least 0.8.3 but below 0.9.0.
Cargo fetches the latest versions of everything that dependency needs from the registry, which is a copy of data from Crates.io.
After updating the registry, Cargo checks the [dependencies]. After downloading the crates, Rust compiles them and then compiles the project with the dependencies available.
TOML - Tom’s Obvious, Minimal Language