Method find

docling/utils/layout_postprocessor.py:22–25

(self, x)

        self.rank = {elem: 0 for elem in elements}

    def find(self, x):
        if self.parent[x] != x:
            self.parent[x] = self.find(self.parent[x])  # Path compression
        return self.parent[x]

    def union(self, x, y):
        root_x, root_y = self.find(x), self.find(y)