oh-my-docs

Summary for developers

Project maintained by italkso Hosted on GitHub Pages — Theme by mattgraham

Rust

Install Rust Using rustup

# Install rustup
$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

# Test if install rustup successfully
$ rustc -V
$ rustc --version

# View offline docs
$ rustup doc

# Update
$ rustup update

# Uninstall Rust
$ rustup self uninstall

In the Rust development environment, all tools are installed to the ~/.cargo/bin directory, and this is where you will find the Rust toolchain, including rustc, cargo, and rustup.

Hello World

mkdir ~/projects
cd ~/projects
mkdir helloWorld
cd helloWorld

fn main() {
    println!(Hello, world!);
}//main.rs

$ rustc main.rs
$ ./main

Cargo

Command Description
$ cargo --version Check the version of Rust and Cargo
$ cargo new hello_cargo Create a project named hello_cargo with Cargo
$ cargo build Build the project (Dependencies will be intsalled, Cargo.lock will be created)
$ cargo run Run the project
$ cargo test Test the project
$ cargo doc Create a document for project
$ cargo publish Publish the project to crates.io

Use the commandrustup docs —book to get the offline version of book The Rust Programming Language.

$ cargo new hello-rust
$ cargo run
File Description
Cargo.toml Configuration file
src/main.rs Write your code here

TOML is data format. Here’s the content in Cargo.toml.

[package]
name = "hello_cargo"
version = "0.1.0"
authors = ["Your Name <you@example.com>"]
edition = "2018"

[dependencies]
ferris = "0.2.0"

Use dependency in main.rs.

use ferris_says::say;                 // from the previous step
use std::io::{stdout, BufWriter};

fn main() {
    let stdout = stdout();
    let message = String::from("Hello fellow Rustaceans!");
    let width = message.chars().count();

    let mut writer = BufWriter::new(stdout.lock());
    say(message.as_bytes(), width, &mut writer).unwrap();
}

Reference