Method borrow_last

rust/src/node.rs:462–467

Borrow the last key-value pair from this leaf (used when this is the left sibling)

(&mut self)

    /// Borrow the last key-value pair from this leaf (used when this is the left sibling)
    pub fn borrow_last(&mut self) -> Option<(K, V)> {
        if self.keys.is_empty() || !self.can_donate() {
            return None;
        }
        Some((self.keys.pop().unwrap(), self.values.pop().unwrap()))
    }

    /// Borrow the first key-value pair from this leaf (used when this is the right sibling)
    pub fn borrow_first(&mut self) -> Option<(K, V)> {