#include Result luna_main(int argc, char** argv) { ui::App app; TRY(app.init(argc, argv)); auto* window = TRY(ui::Window::create(ui::Rect { 200, 200, 400, 300 })); app.set_main_window(window); window->set_title("Main Window"); window->canvas().fill(ui::CYAN); window->update(); auto* dialog = TRY(ui::Window::create(ui::Rect { 400, 400, 200, 150 })); dialog->set_title("Error: Unknown Error"); dialog->canvas().fill(ui::RED); dialog->update(); return app.run(); }