回答編集履歴
1
s
answer
CHANGED
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@@ -3,6 +3,6 @@
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3
3
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```swift
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4
4
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func addIdentifiers(identifier: String, coordinatesCount: String) {
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5
5
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6
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-
identifiers[identifier] = identifiers[identifier] ?? coordinatesCount
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6
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+
identifiers[identifier] = identifiers[identifier] ?? [coordinatesCount]
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7
7
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}
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8
8
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```
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