61 lines
2.0 KiB
Java
61 lines
2.0 KiB
Java
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/*
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* Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @ bug
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* @summary Positive regression test from odersky
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* @author odersky
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*
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* @compile -source 1.5 Test4.java
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*/
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class Test4 {
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interface I {}
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interface J {}
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static class C implements I, J {}
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static class D implements I, J {}
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interface Ord {}
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static C c = new C();
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static D d = new D();
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static <B> List<B> nil() { return new List<B>(); }
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static <A, B extends A> A f(A x, B y) { return x; }
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static <A, B extends A> B g(List<A> x, List<B> y) { return y.head; }
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static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }
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static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }
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static <A> A id(A x) { return x; }
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static Integer i = new Integer(1);
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static Number n = i;
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public static void main(String[] args) {
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Number x = f(n, i);
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String xy = g(cons("abc", Test4.<String>nil()), Test4.<String>nil());
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System.out.println(g(cons("abc", nil()), nil()));
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}
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}
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