{{alias}}( addon, fallback )
    Returns a function which dispatches to a native add-on applying a unary
    function to an input ndarray.

    The returned function has the following signature:

        f( x, y )

    where

    - x: input ndarray.
    - y: output ndarray.

    To determine whether to dispatch to the `addon` function, the returned
    dispatch function checks whether the underlying data buffers of provided
    ndarrays are typed arrays.

    If the underlying data buffers are typed arrays, the dispatch function
    invokes the `addon` function; otherwise, the dispatch function invokes the
    `fallback` function.

    Parameters
    ----------
    addon: Function
        Add-on interface. The function should have the following signature:

            f( xbuf, metaX, ybuf, metaY )

        where

        - xbuf: input ndarray data buffer.
        - metaX: serialized input ndarray meta data.
        - ybuf: output ndarray data buffer.
        - metaY: serialized output ndarray meta data.

    fallback: Function
        Fallback function. The function should have the following signature:

            f( x, y )

        where

        - x: input ndarray.
        - y: output ndarray.

    Returns
    -------
    fcn: Function
        Dispatch function.

    Examples
    --------
    > function addon( xbuf, metaX, ybuf, metaY ) {
    ...     // Call into native add-on...
    ... };
    > function fallback( x, y ) {
    ...     // Fallback JavaScript implementation...
    ... };
    > var f = {{alias}}( addon, fallback );
    > var x = {{alias:@stdlib/ndarray/array}}( [ [ 1, 2 ], [ 3, 4 ] ] );
    > var y = {{alias:@stdlib/ndarray/zeros}}( [ 2, 2 ] );
    > f( x, y );

    See Also
    --------