Orig.java

/*
 * Copyright (c) 2005, 2007, 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.
 */

package tests;

import java.util.Collection;
import java.util.Collections;

class CompileTest2 {

        class Request<R extends Request<R, V>,V> {}

        class DeltaRequest extends Request<DeltaRequest, double[]> {}

        class RequestMap<V> {
                public <R extends Request<R, W>, W extends V> R test (Collection<R> c) {
                        // In my real code I make use of W of course
                        return null;
                }

        }

        public void f () {
                RequestMap<Object> m = new RequestMap<Object> ();
                Collection<DeltaRequest> c = Collections.singleton (new DeltaRequest ());
                // This line not compile?
                DeltaRequest o = m.<DeltaRequest, double[]>test (c);
        }
}