{{alias}}( x, n )
    Returns the Cartesian power.

    If provided an empty array, the function returns an empty array.

    If `n` is less than or equal to zero, the function returns an empty array.

    Parameters
    ----------
    x: ArrayLikeObject
        Input array.

    n: integer
        Power.

    Returns
    -------
    out: Array<Array>
        Cartesian product.

    Examples
    --------
    > var x = [ 1, 2 ];
    > var out = {{alias}}( x, 2 )
    [ [ 1, 1 ], [ 1, 2 ], [ 2, 1 ], [ 2, 2 ] ]

    See Also
    --------