Method rotate_left

nodedb/src/engine/kv/sorted_index/tree.rs:228–236

(&mut self, x: u32)

    }

    fn rotate_left(&mut self, x: u32) -> u32 {
        let y = self.nodes[x as usize].right;
        let t2 = self.nodes[y as usize].left;
        self.nodes[y as usize].left = x;
        self.nodes[x as usize].right = t2;
        self.update_meta(x);
        self.update_meta(y);
        y
    }

    fn rebalance(&mut self, idx: u32) -> u32 {
        self.update_meta(idx);