/*
 * Copyright (c) 2002 - 2006 IBM Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 */
package com.ibm.wala.util.collections;

import org.jspecify.annotations.Nullable;

/**
 * simple interface for a vector.
 *
 * <p>TODO: get rid of this and use java.util.collection.RandomAccess
 */
public interface IVector<T> extends Iterable<T> {
  /** @see com.ibm.wala.util.intset.IntVector#get(int) */
  T get(int x);

  /**
   * TODO: this can be optimized
   *
   * @see com.ibm.wala.util.intset.IntVector#set(int, int)
   */
  void set(int x, @Nullable T value);

  /** @see com.ibm.wala.util.debug.VerboseAction#performVerboseAction() */
  void performVerboseAction();

  /** @return max i s.t get(i) != null */
  int getMaxIndex();
}
