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