回答編集履歴
1
add `\?`
test
CHANGED
@@ -8,6 +8,6 @@
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8
8
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9
9
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```swift
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10
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11
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-
navigationController?.interactivePopGestureRecognizer.isEnabled = false
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11
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+
navigationController?.interactivePopGestureRecognizer?.isEnabled = false
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```
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