OKdevTV

Rust

• https://www.rust-lang.org/

install

• https://www.rust-lang.org/tools/install
• Windows C++ build tools
  • https://visualstudio.microsoft.com/visual-cpp-build-tools/

Basic

• rustc --version
• main.rs

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

Build & Run

• rustc main.rs
• ./main

cargo package manager

curl https://sh.rustup.rs -sSf | sh

• https://doc.rust-lang.org/cargo/getting-started/installation.html

cargo how to

cargo new hello_world

• Cargo.toml

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

[dependencies]

• src/main.rs

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

• build

cargo build

• run

./target/debug/hello_world
Hello, world!

Dependency

[dependencies]
time = "0.1.12"
regex = "0.1.41"
ferris-says = "0.2"

use ferris_says::say;
use std::io::{stdout, BufWriter};
use regex::Regex;

fn main() {
    let re = Regex::new(r"^\d{4}-\d{2}-\d{2}__html__quot;).unwrap();
    println!("Did our date match? {}", re.is_match("2014-01-01"));

    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();
}

ref

• https://www.rust-lang.org/learn