react-range-proptypes

npm install react-range-proptypes

```javascript import { range } from 'react-range-proptypes';
class Component extends React.Component {

render() {
    return (
        <div>
            {a + b}
        </div>
    );
}

}
Component.propTypes = {

a : range(0, 1),
b : range(0, 1).isRequired

};