macro_rules! check_result {
($e:expr) => {
let result = $e;
if result.is_err() {
return result;
}
};
}
mod line;
pub use line::draw_line;
mod rect;
pub use rect::draw_rect;
mod circle;
pub use circle::draw_circle;
mod polygon;
pub use polygon::fill_polygon;
mod path;
pub use path::polygonize;