Introducing the `react-effect` Package for Frontend Environments

const sendFeedback = Effect.serviceFunctionEffect(Users.tag, _ => _.sendFeedbacl)

function UserPage(props: { id: number }) {
  const result = useEffectResult(Users.currentUser)
  //     ^ strictly typed, updates as the effect runs its course
  const [feedback, send] = useEffectCallback(sendFeedback)
  //                ^ full inferrence for the callback
  // ...
}