回答編集履歴
1
typo
answer
CHANGED
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@@ -10,5 +10,5 @@
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```kotlin
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data class Time(val minute: Int, val xxx:String, ...)
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val hoge = Time(123, "xxx", ...)
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-
val newHoge = hoge.copy(456)
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+
val newHoge = hoge.copy(minute = 456)
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```
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