Method subsequence

basex-core/src/main/java/org/basex/query/value/Value.java:121–126

Returns a subsequence with the given start and length. The following properties must hold: pos >= 0, length >= 0, length <= size() - pos @param pos starting position @param length number of items @param job interruptible job @return new subsequenc

(final long pos, final long length, final Job job)

   * @return new subsequence
   */
  public final Value subsequence(final long pos, final long length, final Job job) {
    return length == 0 ? Empty.VALUE :
           length == 1 ? itemAt(pos) :
           length == size() ? this :
           subSeq(pos, length, job);
  }

  /**
   * Returns a subsequence with the given start and length.