Function surpass::rasterizer::search_last_by_key

pub fn search_last_by_key<F, K, const TW: usize, const TH: usize>(
    segments: &[PixelSegment<TW, TH>],
    key: K,
    f: F
) -> Result<usize, usize>
where
    F: FnMut(&PixelSegment<TW, TH>) -> K,
    K: Ord,