/*
 * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
 * that can be found in the LICENSE file.
 */
// WITH_STDLIB

import kotlin.test.*

class B(val a: Int)

fun B.foo() = this.a

fun box(): String {
    assertEquals(42, B(42).foo())
    return "OK"
}