public override void PostWalk(IndexExpression node) { }
// IndexExpression public override bool Walk(IndexExpression node) { return(false); }
public virtual void PostWalk(IndexExpression node) { }
// IndexExpression public override bool Walk(IndexExpression node) { return(Location >= node.StartIndex && Location <= node.EndIndex); }
// IndexExpression public virtual bool Walk(IndexExpression node) { return(true); }