ControFlow.rs

// use std::io;

fn main() {

    
    // Loops Labels to Disambiguate between multiple loops

    let mut count = 0;
    'counting_up: loop {
        println!("count = {count}");
        let mut remaining = 10;

        loop {
            println!("remaining = {remaining}");
            if remaining == 9 {
                break;
            }
            if count == 2 {
                break 'counting_up;
            }
            remaining -= 1;
        }

        count += 1;
    }
    println!("End count = {count}");

    // Conditional loops with while

    let mut number = 3;

    while number != 0 {
        println!("{number}!");

        number -= 1;
    }

    println!("LIFTOFF!!!");

    // Loops through a collection with for

    let f = [10, 20, 30, 40, 50];
    let mut index = 0;

    while index < 5 {
        println!("the value is: {}", a[index]);

        index += 1;
    }

    let a = [10, 20, 30, 40, 50];

    for element in a {
        println!("the value is: {element}");
    }

    for number in (1..4).rev() {
        println!("{number}!");
    }
    println!("LIFTOFF!!!");
}