Method left

src/tree/binary/node.rs:77–79

(node: Option<NonNull<Self>>)

// relation
impl<K, V> Node<K, V> {
    pub fn left(node: Option<NonNull<Self>>) -> Option<NonNull<Self>> {
        unsafe { node.and_then(|node| node.as_ref().left) }
    }

    pub fn right(node: Option<NonNull<Self>>) -> Option<NonNull<Self>> {
        unsafe { node.and_then(|node| node.as_ref().right) }