Method delete_exact

dns/btree.py:718–725

Delete *element* from the BTree. Returns the matching element or ``None`` if it was not in the BTree.

(self, element: ET)

        return self._delete(key, None)

    def delete_exact(self, element: ET) -> ET | None:
        """Delete *element* from the BTree.

        Returns the matching element or ``None`` if it was not in the BTree.
        """
        delt = self._delete(element.key(), element)
        assert delt is element
        return delt

    def __len__(self):
        return self.size