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