use xege::*;
fn main() {
let mut xege = initgraph(640, 480, Init::Default).unwrap();
xege.setfillcolor(color::RED);
Draw::fillrect(&mut xege, 10, 10, 100, 100);
xege.setwritemode(|pen, dst| pen & !dst);
xege.setfillcolor(color::YELLOW);
Draw::fillrect(&mut xege, 50, 50, 140, 140);
loop {}
}