Denis.Zharkov
11 lines
238 B
Kotlin
Vendored
11 lines
238 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// FULL_JDK
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// WITH_RUNTIME
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fun MutableSet<CharSequence>.foo(s: CharSequence): Set<CharSequence> {
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s.also(::add)
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return this
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}
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fun box(): String = mutableSetOf<CharSequence>().foo("OK").single() as String
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