Function updateOptimisticImpl

docs/index.js:7627–7634

(hook, current, passthrough, reducer)

  return hook;
}
function updateOptimisticImpl(hook, current, passthrough, reducer) {
  hook.baseState = passthrough;
  return updateReducerImpl(
    hook,
    currentHook,
    "function" === typeof reducer ? reducer : basicStateReducer
  );
}
function dispatchActionState(
  fiber,
  actionQueue,