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    • ix.IxEmpty Maven / Gradle / Ivy

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    /*
 * Copyright 2011-2016 David Karnok
 *
 * 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.
 */

package ix;

import java.util.*;

final class IxEmpty extends Ix implements Iterator {

    static final IxEmpty INSTANCE = new IxEmpty();

    @SuppressWarnings("unchecked")
    static  Ix instance() {
        return (Ix)INSTANCE;
    }

    @Override
    public Iterator iterator() {
        return this;
    }

    @Override
    public boolean hasNext() {
        return false;
    }

    @Override
    public Object next() {
        throw new NoSuchElementException();
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException();
    }
}
    
    
    
    

    




    
    
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