Method is_underfull

rust/src/node.rs:435–437

(&self)

    /// Returns true if this leaf node is underfull (below minimum occupancy).
    #[inline]
    pub fn is_underfull(&self) -> bool {
        self.keys.len() < self.min_keys()
    }

    /// Returns true if this leaf can donate a key to a sibling.
    #[inline]