Исправить ошибки

import React, { useRef, useState, useEffect } from 'react'

const CountDisplay = (props) =>{
  const [val] = useState(props.c)
  return <div>{val}</div>
}


const App = () => {
  const [count, setCount] = useState(0)

  const handleClick = () => {
    setCount(c => c + 1)
  }
  
  return (<div>
    <button onClick={handleClick}>
      <span>⚛️</span> {count}
    </button>
    <CountDisplay c={count} />
  </div>
  )
}


export default App