Max Ost maxost
maxost
/ EnumExt.kt
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November 2, 2022 10:37
Kotlin: Enum 'contains' and 'valueOf' with default value implementations
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| inline fun <reified T : Enum<T>> enumContains(name: String): Boolean { | |
| return enumValues<T>().any { it.name == name} | |
| } | |
| inline fun <reified T : Enum<T>> enumValueOf(name: String, defaultValue: T): T { | |
| return try { | |
| enumValues<T>().first { it.name == name } | |
| } catch (e: NoSuchElementException) { | |
| defaultValue | |
| } |
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| /** | |
| * genitivePlural - родительный падеж, множественное число (примеры: "часов", "минут", "секунд") | |
| * nominativeSingular - именительный падеж, единственное число (примеры: "час", "минута", "секунда") | |
| * genitiveSingular - родительный падеж, единственное число (примеры: "часа", "минуты", "секунды") | |
| */ | |
| fun getCountNoun(count: Int, genitivePlural: String, nominativeSingular: String, genitiveSingular: String): String { | |
| val lastDigit = count.toString().last().toString().toInt() | |
| val word = if (count in 5..20) genitivePlural | |
| else if (lastDigit == 0 || lastDigit >= 5) genitivePlural | |
| else if (lastDigit == 1) nominativeSingular |
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