Function delete_max

tests/test_rb_tree2.rs:72–82

()

#[test]
fn delete_max() {
    let mut tree = Tree::default();
    for v in 0..10 {
        tree.insert(v, v);
    }
    for v in (0..10).rev() {
        assert!(tree.contains(&v));
        tree.delete_max();
        assert!(!tree.contains(&v));
    }
}

#[test]
fn delete() {