Downcast from'[NSObject:AnyObject]?'to'Dictionary<NSObject,AnyObject>'only unwraps
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Downcast from'[NSObject:AnyObject]?'to'Dictionary<NSObject,AnyObject>'only unwraps
错误代码:
1 var info:Dictionary<String,Int>! = notification.userInfo as! Dictionary
正确代码:
2
var info:Dictionary<String,Int>! = notification.userInfo as! AnyObject as! Dictionary
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