451b2f16acd7dcc8a38cddeff9383143184906fc,cirq/circuits/circuit_operation.py,CircuitOperation,repeat,#CircuitOperation#,207

Before Change

            // As CircuitOperation is immutable, this can safely return the original.
            return self
        repetitions = int(repetitions)
        if protocols.is_measurement(self.circuit):
            raise NotImplementedError("Loops over measurements are not supported.")
        return self.replace(repetitions=self.repetitions * repetitions)

    def __pow__(self, power: int) -> "CircuitOperation":
        return self.repeat(power)

After Change

        // The eventual number of repetitions of the returned CircuitOperation.
        final_repetitions = self.repetitions * repetitions

        if repetition_ids is None:
            repetition_ids = default_repetition_ids(expected_repetition_id_length)
        elif len(repetition_ids) != expected_repetition_id_length:
            raise ValueError(
                f"Expected repetition_ids={repetition_ids} length to be "
                f"{expected_repetition_id_length}"
            )

        // If `self.repetition_ids` is None, this will just return `repetition_ids`.
        repetition_ids = cartesian_product_of_string_lists(repetition_ids, self.repetition_ids)

        return self.replace(repetitions=final_repetitions, repetition_ids=repetition_ids)

Instances