const [user, setUser] = useState({ loginCount: 0 });

  const mutate = () => {
    user.loginCount++;
  };

  const update = () => {
    setUser((prev) => ({
      ...prev,
      loginCount: prev.loginCount + 1, // React doesn't track inappropriate mutations?
    }));
  };

  const changeCount = () => {
    mutate();
    update(); // Even if mutate has run, update's setter still picks up 0 from prev?
  };

  const [user, setUser] = useState({ loginCount: 0 });

  const mutate = () => {
    user.loginCount++;
  };

  const update = () => {
    setUser((prev) => ({
      ...prev,
      loginCount: prev.loginCount + 1, // React doesn't track inappropriate mutations?
    }));
  };

  const changeCount = () => {
    mutate();
    update(); // Even if mutate has run, update's setter still picks up 0 from prev?
  };