examples: webview and async

notes/SUSPENSE.md

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+# Suspense, Async, and More
+
+This doc goes into the design of asynchronicity in Dioxus.
+
+
+## for UI elements
+
+`suspend`-ing a future submits an &mut future to Dioxus. the future must return VNodes. the future is still waiting before the component renders, the `.await` is dropped and tried again. users will want to attach their future to a hook so the future doesn't really get dropped.
+
+
+## for tasks
+
+for more general tasks, we need some way of submitting a future or task into some sort of task system. 
+
+
+`use_task()` submits a future to Dioxus. the future is polled infinitely until it finishes. The caller of `use_task` may drop, pause, restart, or insert a new the task
+
+```rust
+
+let task = use_hook(|| {
+    // create the future
+}, || {
+    update the future if it needs to be updated
+}, || {
+
+});
+cx.poll_future()
+// let recoil_event_loop = cx.use_task(move |_| async move {
+//     loop {
+//         let msg = receiver.await?;
+//     }
+// });
+// where suspend wraps use_task
+```