showLayout :: Cairo s -> Layout -> IO ()
showLayout (Cairo c) (Layout f'l) = withForeignPtr f'l $ \lay ->
    pango_cairo_show_layout c lay
showLayout :: Cairo s -> Layout -> IO ()
showLayout (Cairo c) (Layout f'l) = withForeignPtr f'l $ \lay ->
    pango_cairo_show_layout c lay
showLayout (Cairo c) (Layout f'l) = withForeignPtr f'l $ \lay ->
    pango_cairo_show_layout c lay