Method operation

dask/dataframe/dask_expr/_expr.py:2116–2118

(ser, *caselist)

    @staticmethod
    def operation(ser, *caselist):
        caselist = [(caselist[i], caselist[i + 1]) for i in range(0, len(caselist), 2)]
        return ser.case_when(list(caselist))


class Filter(Blockwise):