Method framebuffer

user/src/io.rs:31–33

(&mut self)

        Self { size, fb}
    }
    pub fn framebuffer(&mut self) -> &mut [u8] {
        self.fb
    }
    pub fn paint_on_framebuffer(&mut self, p: impl FnOnce(&mut [u8]) -> ()) {
        p(self.framebuffer());
        framebuffer_flush();