Method mayBePositional

basex-core/src/main/java/org/basex/query/expr/Arr.java:334–336

Checks if the specified expression may be positional. @param expr expression @return result of check

(final Expr expr)

   * @return result of check
   */
  protected static boolean mayBePositional(final Expr expr) {
    return expr.seqType().mayBeNumber() || expr.has(Flag.POS);
  }

  @Override
  public boolean accept(final ASTVisitor visitor) {