use yew::{html, Callback, ClickEvent, Component, ComponentLink, Html, ShouldRender}; pub struct App { clicked: bool, on_click: Callback, } pub enum Msg { Click, } impl Component for App { type Message = Msg; type Properties = (); fn create(_: Self::Properties, link: ComponentLink) -> Self { App { clicked: false, on_click: link.callback(|_| Msg::Click), } } fn update(&mut self, msg: Self::Message) -> ShouldRender { match msg { Msg::Click => { self.clicked = true; true // Indicate that the component should re-render } } } fn view(&self) -> Html { let button_text = if self.clicked { "Clicked!" } else { "Click me!" }; html! { } } }