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我的代码如下:获取错误:EXC_BAD_INSTRUCTION(code = EXC_I386_INVOP,subcode = 0x0),为什么?
let mvc = MainViewController()
let average = mvc.defaults.array(forKey: "grades") as! [Int]
let averagePoints = mvc.defaults.integer(forKey: "averagePoints")
gradePoints = averagePoints/average.count
在最后一行,我得到一个EXC_BAD_INSTRUCTION(代码= EXC_I386_INVOP,子码=为0x0)的错误。这是什么意思,为什么我能得到它?
谢谢你的帮助!
oups,对不起,想要标记“应用程序” – Whazzup
@Whazzup放置断点和打印语句并测试一次。 –