class CoolReact extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      cool: false
    }
  }

  setCool = () => this.setState({cool: !this.state.cool});

  render() {
    return <FunctionalComponent prop1={"Hi"} prop2={"Josh"}/>
  }
}

const FunctionalComponent = ({prop1, prop2}) => (
  <div>
    <span>{prop1} {prop2}</span>
  </div>
);