  * Press Alt+V five times to use this operator.
  */
 
-prefix operator √√√√√ { }
+prefix operator √√√√√
 
 @discardableResult
 public prefix func √√√√√ (number: Int) -> Double {

 * Press Alt+V three times to use this operator.
 */

prefix operator √√√ { }

@discardableResult
public prefix func √√√ (number: Int) -> Double {

 * Press Alt+V six times to use this operator.
 */

prefix operator √√√√√√

@discardableResult
public prefix func √√√√√√ (number: Int) -> Double {
