Method data

basex-core/src/main/java/org/basex/query/expr/Expr.java:210–212

Returns the data reference bound to this expression. This method is currently overwritten by DBNode, DBNodeSeq, AxisPath and VarRef. @return data reference (can be null)

()

   * @return data reference (can be {@code null})
   */
  public Data data() {
    return null;
  }

  /**
   * Returns the result size.