{{alias}}()
    Returns a list of input ndarray casting policies.

    The output array contains the following policies:

    - none: no guidance on specific casting behavior. An input ndarray may or
    may not be cast depending on the needs of an implementation.
    - promoted: cast an input ndarray to a promoted data type.
    - accumulation: cast an input ndarray to a data type amenable to
    accumulation.
    - output: cast an input ndarray to the data type of the output ndarray.

    Returns
    -------
    out: Array<string>
        List of policies.

    Examples
    --------
    > var out = {{alias}}()
    <Array>

    See Also
    --------