georgematos

fn main() {
    let pointer_1 = String::from("Hello");
    let pointer_2 = String::from("World");
    let pointer_3 = "a literal string";

    // cria o ponteiro pointer_4 apontando para 1 na heap
    let pointer_4: Box<i32> = Box::new(1);
    
    // cria uma referência do tipo Box<i32> para o pointer_4
    let reference_1: &Box<i32> = &pointer_4;

georgematos

fn main() {

    let mut count = 3;

    loop {
        if count > 0 { 
            println!("{count}!");
            count -= 1;
        } else {

georgematos

// loop and inner loop
fn main() {
// this little piece of code is simply printing a counting 0 to 9
// whit a regressive counting 9 to 1 between each number
    let mut count = 0;
    
    'root_loop:loop {
        println!("Count: {count}");
        count += 1;
        if count == 10 { break 'root_loop };

georgematos

// destructure
fn main() {
    let tuple: (i32, f64, String) = (500, 38.8, "Rust".to_string());
    let (a, b, c) = tuple;
    println!("content: {a}, {b}, {c}")
}

georgematos

// shadowing sample
fn main() {
    let x = 5;
    // shadowing x variable
    let x = x + 1; // at this point the x was overrided with a new value
    println!("The value of x: {x}");
    {
        // current shadowing only lives within that scope
        let x = x * 2;
        println!("The value of x: {x}");