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1import { observe, useObserver } from 'react-observing'
2
3const counterStore = observe(0)
4
5const App = () => {
6  const [counter, setCounter] = useObserver(counterStore)
7
8  return (
9    <button onClick={() => setCounter(counter + 1)}>
10      Add +1 in {counter}
11    </button>
12  )
13}