dioxus/packages/signals/examples/dependancies.rs

37 lines
792 B
Rust

#![allow(non_snake_case)]
use dioxus::prelude::*;
use dioxus_signals::*;
fn main() {
dioxus_desktop::launch(app);
}
fn app() -> Element {
let signal = use_signal(|| 0);
use_future(|| async move {
loop {
tokio::time::sleep(std::time::Duration::from_secs(1)).await;
*signal.write() += 1;
}
});
let local_state = use_signal(|| 0);
let computed = use_selector_with_dependencies((local_state.get(),), move |(local_state,)| {
local_state * 2 + signal.cloned()
});
println!("Running app");
render! {
button {
onclick: move |_| {
local_state.set(local_state.get() + 1);
},
"Add one"
}
div {
"{computed}"
}
}
}