Method min_keys

rust/src/node.rs:451–455

(&self)

    /// Returns the minimum number of keys this leaf should have.
    #[inline]
    pub fn min_keys(&self) -> usize {
        // For leaf nodes, minimum is floor(capacity / 2)
        // Exception: root can have fewer keys
        self.capacity / 2
    }

    // ============================================================================
    // BORROWING AND MERGING HELPERS