dioxus/packages/signals/examples/selector.rs
2024-01-13 21:18:36 -08:00

25 lines
473 B
Rust

use dioxus::prelude::*;
use dioxus_signals::*;
fn main() {
dioxus_desktop::launch(App);
}
#[component]
fn App() -> Element {
let signal = use_signal(|| 0);
let doubled = use_selector(move || signal * 2);
render! {
button {
onclick: move |_| *signal.write() += 1,
"Increase"
}
Child { signal: doubled }
}
}
#[component]
fn Child(signal: ReadOnlySignal<usize>) -> Element {
render! { "{signal}" }
}