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path: root/rust/loops/src/main.rs
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fn main() {
    let mut counter = 0;

    let result = loop {
        counter += 1;

        if counter == 10 {
            // loop {} is an expression and can return values, this is sick.
            break counter * 2;
        }
    };

    println!("The result is {result}");

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

        loop {
            println!("remaining = {remaining}");
            if remaining == 9 {
                break;
            }

            if count == 2 {
                break 'counting_up; // Break the outter loop
            }
            remaining -= 1;
        }

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

    let mut number = 3;

    while number != 0 {
        println!("Number: {number}");
        number -= 1;
    }
    println!("While is gone");

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

    while index < 5 {
        println!("{}", a[index]);
        index += 1;
    }

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

    // Range - .rev == reverse
    for number in (1..4).rev() {
        println!("{number}");
    }

}