Victor Petukhov
16 lines
412 B
Kotlin
Vendored
16 lines
412 B
Kotlin
Vendored
// WITH_STDLIB
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// FULL_JDK
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// TARGET_BACKEND: JVM
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import java.util.*
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inline fun <reified T : Enum<T>> emptyEnumSet(): EnumSet<T> = EnumSet.noneOf(T::class.java)
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fun <T : Enum<T>> enumSetOf(e: T): EnumSet<T> = EnumSet.of(e)
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enum class SomeEnum { ONE }
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val set = enumSetOf(SomeEnum.ONE).takeIf { it.size > 0 } ?: emptyEnumSet()
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fun box(): String {
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return if (set.first() == SomeEnum.ONE) "OK" else "NOK"
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}
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