use yew::prelude::*;
/// A hook that counts component renders.
///
/// # Example
///
/// ```rust
/// # use yew::prelude::*;
/// #
/// use yew_hooks::prelude::*;
///
/// #[function_component(Update)]
/// fn update() -> Html {
/// let count = use_renders_count();
/// let update = use_update();
///
/// let onclick = Callback::from(move |_| {
/// update();
/// });
///
/// html! {
/// <>
/// <button {onclick}>{ "Update" }</button>
/// { count }
/// </>
/// }
/// }
/// ```
#[hook]
pub fn use_renders_count() -> i32 {
let count = use_mut_ref(|| 0);
let current = *count.borrow();
*count.borrow_mut() = current + 1;
let current = *count.borrow();
current
}