001/*******************************************************************************
002 * This software is provided as a supplement to the authors' textbooks on digital
003 * image processing published by Springer-Verlag in various languages and editions.
004 * Permission to use and distribute this software is granted under the BSD 2-Clause
005 * "Simplified" License (see http://opensource.org/licenses/BSD-2-Clause).
006 * Copyright (c) 2006-2023 Wilhelm Burger, Mark J. Burge. All rights reserved.
007 * Visit https://imagingbook.com for additional details.
008 ******************************************************************************/
009package imagingbook.common.util.tuples;
010
011/**
012 * A tuple with exactly 2 elements of arbitrary types.
013 *
014 * @param <T0> the type of element 0
015 * @param <T1> the type of element 1
016 */
017public final class Tuple2<T0, T1> implements Tuple {
018        
019        private final T0 item0;
020        private final T1 item1;
021        
022        public Tuple2(T0 item0, T1 item1) {
023                this.item0 = item0;
024                this.item1 = item1;
025        }
026        
027        public T0 get0() {
028                return item0;
029        }
030        
031        public T1 get1() {
032                return item1;
033        }
034        
035        @Override
036        public String toString() {
037                return String.format("<%s,%s>", item0.toString(), item1.toString());
038        }
039
040        public static <T0, T1> Tuple2<T0, T1> from(T0 val0, T1 val1) {
041                return new Tuple2<>(val0, val1);
042        }
043        
044}
045
046