rustlings/exercises/22_clippy/clippy3.rs

// clippy3.rs
// 
// Here's a couple more easy Clippy fixes, so you can see its utility.
// No hints.

#[allow(unused_variables, unused_assignments)]
fn main() {
    let my_option: Option<()> = None;

    let my_arr = &[
        -1, -2, -3,
        -4, -5, -6
    ];
    println!("My array! Here it is: {:?}", my_arr);

    println!("This Vec is empty, see? {:?}", vec![1,2,3,4,5].resize(0, 0));

    let mut value_a = 45;
    let mut value_b = 66;
    // Let's swap these two!
    std::mem::swap(&mut value_a, &mut value_b);
    println!("value a: {}; value b: {}", value_a, value_b);
}