{{alias}}( from, to )
    Returns a boolean indicating whether a provided ndarray data type can be
    safely cast or, for floating-point data types, downcast to another ndarray
    data type.

    Parameters
    ----------
    from: string|DataType
        Data type to cast from.

    to: string|DataType
        Data type to cast to.

    Returns
    -------
    bool: boolean
        Boolean indicating whether a provided data type can be cast to another
        data type.

    Examples
    --------
    > var bool = {{alias}}( 'float32', 'float64' )
    true
    > bool = {{alias}}( 'float64', 'int32' )
    false

    See Also
    --------