useArrayReduce

const list = ref([1, 2, 3, 4]);
const sum = useArrayReduce(list, (acc, n) => acc + n); // 10

export function useArrayReduce<T>(
  list: MaybeRefOrGetter<Array<MaybeRefOrGetter<T>>>,
  reducer: UseArrayReducer<T, T, T>,
): UseArrayReduceReturn<T>;

export function useArrayReduce<T, U>(
  list: MaybeRefOrGetter<Array<MaybeRefOrGetter<T>>>,
  reducer: UseArrayReducer<U, T, U>,
  initialValue: MaybeRefOrGetter<U>,
): UseArrayReduceReturn<U>;