static void shoes_app_clear(shoes_app *app) { shoes_ele_remove_all(app->extras); shoes_canvas_clear(app->canvas); app->nestslot = Qnil; app->groups = Qnil; }
static void shoes_canvas_empty(shoes_canvas *canvas) { unsigned char stage = canvas->stage; canvas->stage = CANVAS_EMPTY; shoes_ele_remove_all(canvas->contents); canvas->stage = stage; }