fn main() {
    let permute_input = [1, 2, 3, 4];

    for (i, permutation) in permute::permute(permute_input.clone()).enumerate() {
        println!("{i}: {permutation:?}");
    }
    let (size, _) = permute::permute(permute_input).size_hint();
    println!("size {size}");
    println!();

    let choose_input = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];

    for (i, chosen) in permute::choose::<_, 4>(&choose_input).enumerate() {
        println!("{i}: {chosen:?}");
    }
    let (size, _) = permute::choose::<_, 4>(&choose_input).size_hint();
    println!("size {size}");
    println!();

    for (i, permutation) in permute::choose_permute::<_, 4>(&choose_input).enumerate() {
        println!("{i}: {permutation:?}");
    }
    let (size, _) = permute::choose_permute::<_, 4>(&choose_input).size_hint();
    println!("size {size}");
}