/* * 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. */ sealed class Tag { abstract fun value(): Any } sealed class TagBoolean : Tag() { abstract override fun value(): Boolean object True : TagBoolean() { override fun value() = true } object False : TagBoolean() { override fun value() = false } }