回答編集履歴
1
コードの修正
answer
CHANGED
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@@ -11,7 +11,7 @@
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11
11
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}
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12
12
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if let document = querySnapshot.documents.first {
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13
13
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self.NameLabel.text = uid
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14
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-
self.NameLabel.text = document.data()["user_name"]
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14
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+
self.NameLabel.text = document.data()["user_name"] as? String ?? ""
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15
15
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}
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16
16
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}
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17
17
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```
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