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/**
 * 
 * Copyright (c) 2006-2017, Speedment, 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.
 */
package com.speedment.common.tuple;

/**
 * This interface defines a generic Tuple of any order that can hold null
 * values. A Tuple is type safe, immutable and thread safe. For pure non-null
 * value elements see {@link Tuple}
 * This {@link Tuple } has a degree of 0
 * 
 * @author Per Minborg
 */
public interface Tuple0 extends Tuple {
    
    @Override
    default int degree() {
        return 0;
    }
    
    default Object get(int index) {
        switch (index) {
            
            default : throw new IllegalArgumentException(String.format("Index %d is outside bounds of tuple of degree %s", index, degree()
            ));
        }
    }
}