Function piet_embedded_graphics::display::set_display_pixels

pub fn set_display_pixels<P: IntoIterator<Item = u16>>(
    sx: u16, 
    sy: u16, 
    ex: u16, 
    ey: u16, 
    colors: P
) -> Result<(), ()>

Draw the pixel colours to the display at the window from (sx,sy) to (ex,ey)