Method accept

basex-core/src/main/java/org/basex/query/expr/Expr.java:487–487

Traverses this expression, notifying the visitor of declared and used variables, and checking the tree for other recursive properties. @param visitor visitor @return if the walk should be continued

(ASTVisitor visitor)

   * @return if the walk should be continued
   */
  public abstract boolean accept(ASTVisitor visitor);

  /**
   * Visit all given expressions with the given visitor.