use std::rc::Rc;
use yew::prelude::*;
/// A hook returns a function that forces component to re-render when called.
///
/// # Example
///
/// ```rust
/// # use yew::prelude::*;
/// #
/// use yew_hooks::prelude::*;
///
/// #[function_component(Update)]
/// fn update() -> Html {
/// let update = use_update();
///
/// let onclick = Callback::from(move |_| {
/// update();
/// });
///
/// html! {
/// <>
/// <button {onclick}>{ "Update" }</button>
/// </>
/// }
/// }
/// ```
#[hook]
pub fn use_update() -> Rc<dyn Fn()> {
let state = use_state(|| 0);
Rc::new(move || {
state.set((*state + 1) % 1_000_000);
})
}