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1

補足

2018/07/22 05:28

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xenbeat
xenbeat

スコア4258

answer CHANGED
@@ -12,4 +12,13 @@
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  }
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  ```
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- [https://firebase.google.com/docs/auth/ios/manage-users?hl=ja#get_the_currently_signed-in_user](https://firebase.google.com/docs/auth/ios/manage-users?hl=ja#get_the_currently_signed-in_user)
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+ [https://firebase.google.com/docs/auth/ios/manage-users?hl=ja#get_the_currently_signed-in_user](https://firebase.google.com/docs/auth/ios/manage-users?hl=ja#get_the_currently_signed-in_user)
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+
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+ ##### 補足
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+
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+ guardを使っても良いと思います。
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+ ``` Swift
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+ guard let currentUser = Auth.auth().currentUser else {
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+ return
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+ }
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+ ```