Getting Started

Installation

Rustup: the Rust installer and version management tool

# check installation
rustc --version
cargo --version
# or
rustc -V
cargo -V

# update rust
rustup update

# uninstall rust
rustup self uninstall

# open local doc
rustup docs --book

Development Environment

• VS Code + (plugin: rust-analyzer) 👍
• RustRover (by JetBrains)

Hello World!

hello_world.rs

fn main() {
    println!("Hello, world!");
}

rustc

# compile
rustc ./hello_world.rs

# run
./hello_world

# windows
.\hello_world.exe

Package Management

Cargo: the Rust build tool and package manager

cargo --version

cargo new hello_cargo
# init without git
cargo new hello_cargo --vcs none

# build in debug mode
cargo build

# build and run
cargo run

# test your code
cargo test

# checks your code to catch errors without producing an executable binary
cargo check

# build in release mode(for production)
cargo build --release

# update the dependencies to the latest versions allowed by cargo.toml
cargo update

# build documentation for your project
cargo doc --open

# publish a library to crates.io
cargo publish

• cargo doc: https://doc.rust-lang.org/cargo/
• official crate registry：https://crates.io/
• configuration file: Cargo.toml, just like package.json
• version control: Cargo.lock, just like package-lock.json
• Semantic Versioning: https://semver.org/