回答編集履歴
1
修正
test
CHANGED
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@@ -24,7 +24,11 @@
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24
24
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25
25
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func callViewController(index: Int) -> UIViewController {
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26
26
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27
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-
let VC = self.childViewControllers[index]
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27
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+
guard let VC = self.childViewControllers[index] as? ViewController else {
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28
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+
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29
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+
fatalError()
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30
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+
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31
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+
}
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28
32
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29
33
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return VC
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30
34
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