Function fetchUserPosts

test/README.example.proof.ts:754–754

(_userId: number)

    const fetchUser = (userId: number): Effected<never, User> =>
      Effected.of({ id: userId, name: "John Doe", role: "user" });
    const fetchUserPosts = (_userId: number): Effected<never, any[]> => Effected.of([]);
    const fetchUserSettings = (_userId: number): Effected<never, any> => Effected.of({});

    expect(Effected.all([fetchUser(1), fetchUser(2), fetchUser(3)]).runAsync()).to(