/*
 * Copyright (C) 2007-2008 Artima, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Automatically generated Scala interpreter transcript from:
 *
 * Programming in Scala (First Edition, Version 6)
 * by Martin Odersky, Lex Spoon, Bill Venners
 *
 * http://booksites.artima.com/programming_in_scala
 */


scala> val xs = List(1, 2, 3)
xs: List[Int] = List(1, 2, 3)

scala> var ys: List[Any] = xs
ys: List[Any] = List(1, 2, 3)

scala>   abstract class Fruit 
         class Apple extends Fruit
         class Orange extends Fruit

defined class Fruit
defined class Apple
defined class Orange

scala> val apples = new Apple :: Nil
apples: List[Apple] = List(Apple@48d4ef)

scala> val fruits = new Orange :: apples
fruits: List[Fruit] = List(Orange@87fd42, Apple@48d4ef)