{{alias}}( arr )
    Determines array dimensions.

    Parameters
    ----------
    arr: Array
        Input array.

    Returns
    -------
    out: Array
        Array shape.

    Examples
    --------
    > var out = {{alias}}( [ [ 1, 2, 3 ], [ 4, 5, 6 ] ] )
    [ 2, 3 ]

    See Also
    --------