// `for` loops/iteration
    let array = [1, 2, 3];
    for i in array.iter() {
        println!("{}", i);
    }

    // Ranges
    for i in 0u32..10 {
        print!("{} ", i);
    }
    println!("");
    // prints `0 1 2 3 4 5 6 7 8 9 `

    // `if`
    if 1 == 1 {
        println!("Maths is working!");
    } else {
        println!("Oh no...");
    }

    // `if` as expression
    let value = if true {
        "good"
    } else {
        "bad"
    };

    // `while` loop
    while 1 == 1 {
        println!("The universe is operating normally.");
    }

    // Infinite loop
    loop {
        println!("Hello!");
    }