O que dizer desse código que mal conheço mas já curto pakas?

gistfile1.m

- (void)changeDots {
	switch (self.hasDots) {
		case NO:
			[_viDots removeAllActions];
			[_viDots runAction:[NPPAction fadeOut]];
			break;
		case YES:
			[_viDots removeAllActions];
			[_viDots runAction:[NPPAction fadeIn]];
		default:
			break;
	}
}

• (void)changeDots {
  [_viDots removeAllActions];

  if (self.hasDots == YES) {
  [_viDots runAction:[NPPAction fadeIn]];
  } else {
  [_viDots runAction:[NPPAction fadeOut]];
  }
  }

bool recursiveCall = NO;

- (void)changeDots {

  if(recursiveCall == NO)
  {
      // call again to make sure
      recursiveCall = YES;
      changeDots();
      return;
  }

  int checkValue = 000;
  if (self.hasDots == NO)
    checkValue = checkValue + 10;

  if (self.hasDots == YES)
    checkValue = checkValue + 20;

  if(checkValue >= 10)
  {
    [_viDots removeAllActions];
    if(checkValue / 10 == 1)
        [_viDots runAction:[NPPAction fadeOut]];
    if(checkValue / 10 == 2)
        [_viDots runAction:[NPPAction fadeIn]];

  }
  else
  {
    // do nothing
  }

}

Legend

- (void)changeDots{
  [_viDots removeAllActions];
  self.hasDots ? [_viDots runAction:[NPPAction fadeOut]] :  [_viDots runAction:[NPPAction fadeIn]];
}

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"Object expected on line <end of your code + 200>".