Kotlin-7 #29
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Kotlin-7 #29
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motorro
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Sep 16, 2024
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| fun dump(): List<Pair<LocalDateTime, Throwable>> = errors |
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@crayfish1975 , не совсем верно. Должно быть:
fun dump(): List<Pair<LocalDateTime, E>>
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Здравствуйте. Спасибо!
Понедельник, 16 сентября 2024, 11:28 +04:00 от Nikolai Kotchetkov ***@***.***>:
@motorro commented on this pull request.
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In src/main/kotlin/ru/kotlin/homework/network/NetworkLogger.kt :
> @@ -30,6 +30,8 @@ class ErrorLogger<E : Throwable> {
println("Error at $date: ${error.message}")
}
}
+
+ fun dump(): List<Pair<LocalDateTime, Throwable>> = errors
@crayfish1975 , не совсем верно. Должно быть:
fun dump(): List<Pair<LocalDateTime, E>>
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С уважением,
Сергей Минеев
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Что я вообще наделал? Я не понял как я сделал это дз. Если это возможно, можно пожалуйста объяснить почему при добавлении приставки "private" к переменной errors во втором задании, исчезает ошибка (Type parameter E is declared as 'in' but occurs in 'invariant' position in type MutableList<Pair<LocalDateTime, E>>)?
И зачем вообще в определении переменной (val errors = mutableListOf<Pair<LocalDateTime, E>>()) нужен "E", если его можно заменить на "Throwable", и все будет работать, и даже без "private"?