@property
    def as_of_date(self):
        if self._as_of_date is not None:
            return self._as_of_date
        else:
            return self._get_datetime()
Returns the validator for the given type
dataset/ETHPy150Open quantopian/zipline/zipline/assets/futures.py/FutureChain.as_of_date--crossover with--dataset/ETHPy150Open fiam/wapi/validators.py/get_type_validator