Add height() documentation

pull/3/head
sgoudham 3 years ago
parent a8074b0f02
commit a85ff90e27
Signed by: hammy
GPG Key ID: 44E818FD5457EEA4

@ -177,9 +177,9 @@ pub trait BinarySearchTree<T: Ord> {
/// or `None` if element does not exist. /// or `None` if element does not exist.
fn retrieve_as_mut(&mut self, value: &T) -> Option<&mut T>; fn retrieve_as_mut(&mut self, value: &T) -> Option<&mut T>;
/// Returns the **height.** /// Returns the **height** or `None` if tree is empty.
/// ///
/// This is the number of edges between the root and it's furthest leaf node. /// The height is the number of edges between the root and it's furthest leaf node.
/// ///
/// # Example /// # Example
/// ///
@ -393,10 +393,9 @@ impl<T: Ord> BinarySearchTree<T> for IterativeBST<T> {
} }
fn height(&self) -> Option<isize> { fn height(&self) -> Option<isize> {
match self.root { self.root
None => None, .as_ref()
Some(_) => Some(Node::iterative_height(&self.root)), .map(|_| Node::iterative_height(&self.root))
}
} }
fn min(&self) -> Option<&T> { fn min(&self) -> Option<&T> {

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