Function `flip_vertical_in`

pub fn flip_vertical_in<I, Container>(image: &I, destination: &mut ImageBuffer<I::Pixel, Container>) -> ImageResult<()>
where
    I: GenericImageView,
    I::Pixel: 'static,
    Container: DerefMut<Target = [<I::Pixel as Pixel>::Subpixel]>,

Flip an image vertically and put the result into the destination ImageBuffer.