/* * 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. */ import kotlin.test.* val sb = StringBuilder() fun foo(x: Number) { sb.appendLine(x.toByte()) } fun box(): String { foo(18) val nonConst = 18 foo(nonConst) assertEquals("18\n18\n", sb.toString()) return "OK" }