function App() {
  return (
    <Subscribe to={[AppContainer]}>
      {app => (
        <input
          onChange={e => app.setStateSync({ value: e.target.value })}
          value={app.state.value}
        />
      )}
    </Subscribe>
  );
}

function App() {
  return (
    <SubscribeOne to={AppContainer} bind={['value']}>
      {app => (
        <div>
          This will update only if the "value" state is updated, others will not
          <input
            onChange={e => app.setStateSync({ value: e.target.value })}
            value={app.state.value}
          />
        </div>
      )}
    </SubscribeOne>
  );
}