Intro

/*
    Rust is a systems programming language developed by Graydon Hoare at Mozilla Research in 2010.

    https://en.wikipedia.org/wiki/Rust_(programming_language)
*/


fn main() {
    // do something
    println!("hello rust");
    // hello rust

    return;
}

/*
    run from command-line:
        $ rustc main.rs
        $ ./main
    
    run with Cargo build system and package manager:
        $ cargo new <PROJECT_NAME> --bin
        $ cargo run
*/