152 

   152 

   153             self.point.x += 1;

   153             self.point.x += 1;

   154 

   154 

   155             Some(result)

   155             Some(result)

   156         } else if self.point.x == self.point.y {

   156         } else if self.point.x == self.point.y {

   157             Some(self.point)

   159             Some(self.point)

   158         } else {

   160         } else {

   159             None

   161             None

   160         }

   162         }

   161     }

   163     }