Vladimir Sukharev
21 lines
400 B
Kotlin
Vendored
21 lines
400 B
Kotlin
Vendored
/*
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* Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the LICENSE file.
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*/
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import kotlin.test.*
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class A {
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var f: A? = null
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}
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fun foo(a: A, k: Int): A {
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return if (k == 0) a else foo(a.f!!, k - 1)
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}
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fun box(): String {
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val a = A()
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val a2 = A()
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a.f = a2
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assertEquals(a2, foo(a, 1))
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return "OK"
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} |