def all_timeseries_index_generator(k=<NUM_LIT:10>):
make_index_funcs = [makeDateIndex, makePeriodIndex, makeTimedeltaIndex]<EOL>for make_index_func in make_index_funcs:<EOL><INDENT>yield make_index_func(k=k)<EOL><DEDENT>
Generator which can be iterated over to get instances of all the classes
    which represent time-seires.

    Parameters
    ----------
    k: length of each of the index instances