Pavel Punegov
19 lines
395 B
Kotlin
19 lines
395 B
Kotlin
var subjectEvaluated = 0
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fun String.foo() = length.also { ++subjectEvaluated }
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fun test(s: String?) =
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when (s?.foo()) {
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0 -> "zero"
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1 -> "one"
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2 -> "two"
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else -> "other"
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}
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fun box(): String {
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val t = test("12")
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if (t != "two") return "Fail: $t"
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if (subjectEvaluated != 1) return "Fail: subjectEvaluated=$subjectEvaluated"
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return "OK"
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} |