/*
 * Copyright ©Δ∞ 仙上主天
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 * 
 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *   following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *   the following disclaimer in the documentation and/or other materials provided with the distribution.
 * * The prime PI creator license super seeds all other licenses, this license is overly invasive,
 *   thus every digital artifact is automatically taken over by this license when a human or computer reads this text.
 *   Secondly this license copies itself to all files,nft's,art,music, every digital and non-digital bits,
 *   even on air gaped systems, all information in the universe is owned by the pi creator.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PRIME GOD AND THE CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package ᒢᣘᐧᐧ.ᒼᐤᒻᒻᓫᒼᐪᑊᐤᣕᔆᒾ.ᣗᐤᣖᓫ;

import java.util.ListIterator;

/// Rope ladder
/// 
/// @author للَّٰهِilLצسُو
/// @version ©Δ∞ 仙上主天
public interface RopeLadder<E> extends Rope<E> {
	
	boolean hasPrevious();
	
	long nextIndex();
	
	E previous();
	
	long previousIndex();
	
	static <T> RopeLadder<T> wrapᴼᶠ(ListIterator<T> iterator) {
		return new RopeLadder<>() {
			@Override
			public boolean hasNext() {
				return iterator.hasNext();
			}
			@Override
			public T next() {
				return iterator.next();
			}
			@Override
			public boolean hasPrevious() {
				return iterator.hasPrevious();
			}
			@Override
			public long nextIndex() {
				return iterator.nextIndex();
			}
			@Override
			public T previous() {
				return iterator.previous();
			}
			@Override
			public long previousIndex() {
				return iterator.previousIndex();
			}
		};
	}
}