Swift 1.2 ã§touchesMovedãªã©ã®touchesã®å®šç¾©ãŒå¤‰ã‚ã£ã¦ã„ã¦Set<NSObject>ã«ãªã£ã¦ã„ã¾ã™ã€‚ã“ã‚“ãªæ„Ÿã˜ã§ã„ã‹ãŒã§ã—ょã†ã‹ï¼Ÿ if let touch = touches.first as? UITouch å‚照元ã‹ã‚‰æŠœç²‹ Error: Set doesn't have the method anyObject() if let touch = touches.anyObject() as UITouch? { Now that you have a Swift Set that has typed objects you need to update your cast if you use one with the touches parameter. Fix: Use one of the new methods of Set like first or last, which return optional NSObject values There's a couple
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