54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
/*
|
|
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @ bug
|
|
* @summary Positive regression test from odersky
|
|
* @author odersky
|
|
*
|
|
* @compile Test2.java
|
|
*/
|
|
|
|
class Test2 {
|
|
interface Ord {}
|
|
|
|
static <B extends Ord> List<B> nil() { return new List<B>(); }
|
|
|
|
static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }
|
|
static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }
|
|
static <A> A id(A x) { return x; }
|
|
|
|
public static void main(String[] args) {
|
|
List<Ord> xs = nil();
|
|
List<Ord> zs = nil().prependList(nil());
|
|
|
|
System.out.println(nil());
|
|
System.out.println(nil().length());
|
|
|
|
List<Ord> a = args.length == 1 ? nil() : nil();
|
|
a = (List<Ord>) nil();
|
|
}
|
|
|
|
}
|