32 lines
953 B
Rust
32 lines
953 B
Rust
use std::time::Duration;
|
|
|
|
use ruin_reactivity::{cell, effect};
|
|
use ruin_runtime::{main, set_timeout};
|
|
|
|
#[main]
|
|
fn main() {
|
|
// Creates an observable value. Calling `.get` from within an observer will create a dependency, and calling `.set`
|
|
// will trigger updates to any dependent observers.
|
|
let v = cell(5);
|
|
|
|
// Creates an observer that prints the value of `v` whenever it changes.
|
|
// Calling `.leak()` on the effect handle allows it to run for the lifetime of the program without automatically
|
|
// disposing when dropped.
|
|
effect({
|
|
let v = v.clone();
|
|
move || {
|
|
println!("v is: {}", v.get());
|
|
}
|
|
})
|
|
.leak();
|
|
|
|
// Queue a future to wait 5 seconds and then update `v`. This will trigger
|
|
// the effect to run again and print the new value.
|
|
set_timeout(Duration::from_secs(5), {
|
|
let v = v.clone();
|
|
move || {
|
|
v.set(v.get() + 20);
|
|
}
|
|
});
|
|
}
|