redux 1강 질문

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src\index.js
Line 10:13: 'createStore' is not defined no-undef

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이렇게 오류가 뜨는데 이유가 무엇일까요???

1.  index.js 

import {Provider} from 'react-redux';

let store = createStore(()=>{return [{id : 0, name : '멋진신발', quan: 2}] });

ReactDOM.render(
  <React.StrictMode>
    <BrowserRouter>
    <Provider store={store}>
    <App />
    </Provider>
    </BrowserRouter>
  </React.StrictMode>,
  document.getElementById('root')
);

2. Cart. js

import React from 'react';
import {Table} from 'react-bootstrap';
import { connect } from 'react-redux';

function Cart(props){
  return(
    <div>
    <Table responsive>
  <thead>
    <tr>
     <th>#</th>
     <th>상품명</th>
     <th>수량</th>
     <th>변경</th>
    </tr>
  </thead>
  <tbody>
    <tr>
     <td>1</td>
     <td>{props.state[0].name}</td>
     <td>Table cell</td>
     <td>Table cell</td>
    </tr>
    
  </tbody>
</Table>  
    </div>
  )
}

function 함수명(state){
 return {
   state : state
 }
}

export default connect(함수명)(Cart);
// export default Cart;