質問編集履歴
1
コード、出力結果を直接入力
test
CHANGED
File without changes
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test
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@@ -1,4 +1,4 @@
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1
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###前提・実現したいこと
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2
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3
3
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SwiftでDictionaryを宣言し、ターミナルで出力すると
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4
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@@ -8,6 +8,42 @@
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8
8
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###発生している問題・エラーメッセージ
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13
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15
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test.swift:7:7: warning: expression implicitly coerced from 'Int?' to Any
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13
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-
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print(numberOfTires["車"])
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test.swift:7:20: note: provide a default value to avoid this warning
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20
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print(numberOfTires["車"])
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test.swift:7:20: note: force-unwrap the value to avoid this warning
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24
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print(numberOfTires["車"])
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test.swift:7:20: note: explicitly cast to Any with 'as Any' to silence this warning
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28
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print(numberOfTires["車"])
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Optional(4)
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###該当のソースコード
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38
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39
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```
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40
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41
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var numberOfTires:[String: Int] = ["車":4,"バイク":2,"船":0]
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42
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print(numberOfTires["車"])
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###version
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48
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49
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Swift version 3.0.2
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