Class Tuple

src/main/java/groovy/lang/Tuple.java:34–309

Represents a list of Objects.

 * Represents a list of Objects.
 */
public class Tuple<E> extends AbstractList<E> implements Serializable, Cloneable, Comparable<Tuple<E>>, RandomAccess {
    @Serial private static final long serialVersionUID = -6707770506387821031L;
    private final E[] contents;

    /**
     * Creates a tuple containing the supplied elements.
     *
     * @param contents the tuple elements
     */
    @SafeVarargs
    public Tuple(E... contents) {
        if (contents == null) throw new NullPointerException();
        this.contents = contents;
    }

    /**
     * Creates a tuple from the supplied tuple.
     *
     * @param tuple the source tuple
     */
    public Tuple(Tuple<E> tuple) {
        this.contents = tuple.contents;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public E get(int index) {
        return contents[index];
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int size() {
        return contents.length;
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("unchecked")
    @Override
    public E[] toArray() {
        int size = size();
        E[] copy = (E[]) new Object[size];
        System.arraycopy(contents, 0, copy, 0, size);
        return copy;
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T> T[] toArray(T[] a) {