回答編集履歴

1

add `\?`

2017/09/24 15:01

投稿

ykws
ykws

スコア1236

test CHANGED
@@ -8,6 +8,6 @@
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  ```swift
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- navigationController?.interactivePopGestureRecognizer.isEnabled = false
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+ navigationController?.interactivePopGestureRecognizer?.isEnabled = false
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  ```