Method add

basex-core/src/main/java/org/basex/util/hash/IntSet.java:37–39

Stores the specified key if it has not been stored before. @param key key to be added @return true if the key did not exist yet and was stored

(final int key)

   * @return {@code true} if the key did not exist yet and was stored
   */
  public final boolean add(final int key) {
    return store(key) > 0;
  }

  /**
   * Stores the specified key and returns its index.