use iris::{prelude::*, winit::*}; struct State { ui: DefaultUi, } fn main() { UiApp::::run(); } impl DefaultUiState for State { fn new(mut ui: DefaultUi, _proxy: Proxy) -> Self { rect(Color::RED).set_root(&mut ui); Self { ui } } fn ui(&mut self) -> &mut DefaultUi { &mut self.ui } }