def isKnownToBeHashable(self):

        # Virtual method, pylint: disable=R0201
        # Unknown by default.
        return None
Is the value hashable, i.e. suitable for dictionary/set keying.
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/nodes/NodeBases.py/ExpressionMixin.isKnownToBeHashable