Method _check

sortedcontainers/sortedset.py:723–733

Check invariants of sorted set. Runtime complexity: `O(n)`

(self)

    def _check(self):
        """Check invariants of sorted set.

        Runtime complexity: `O(n)`

        """
        _set = self._set
        _list = self._list
        _list._check()
        assert len(_set) == len(_list)
        assert all(value in _set for value in _list)