tracks/ecmascript/exercises/queen-attack/example.js in trackler-2.2.1.159 vs tracks/ecmascript/exercises/queen-attack/example.js in trackler-2.2.1.160

@@ -24,11 +24,11 @@
   const board = self.board;
   board[(self.black[0] * W * 2) + (self.black[1] * 2)] = 'B';
   board[(self.white[0] * W * 2) + (self.white[1] * 2)] = 'W';
 }
 
-const QueenAttack = (params = STARTING) => {
+function QueenAttack (params = STARTING) {
   const self = this instanceof QueenAttack ? this : Object.getPrototypeOf(QueenAttack);
   if (samePosition(params)) {
     throw new Error('Queens cannot share the same space');
   }
 
@@ -45,8 +45,8 @@
   };
 
   self.toString = () => self.board.join('');
 
   return self;
-};
+}
 
 export default QueenAttack;