Function useReducer

packages/react/src/ReactHooks.js:73–80

(
  reducer: (S, A) => S,
  initialArg: I,
  init?: I => S,
)

}

export function useReducer<S, I, A>(
  reducer: (S, A) => S,
  initialArg: I,
  init?: I => S,
): [S, Dispatch<A>] {
  const dispatcher = resolveDispatcher();
  return dispatcher.useReducer(reducer, initialArg, init);
}

export function useRef<T>(initialValue: T): {current: T} {
  const dispatcher = resolveDispatcher();