//  Copy and Paste this code into LINQPad and use the Nutshell database
    
    void Main()
    {
        var text = @"$Purchase.Customer.Name purchased $Detail on $Purchase.Date for $$$Purchase.Price";
        var Hello = new ExpressionTemplate<PurchaseItem>(text);
        
        var query = PurchaseItems.Select(Hello.ToExpr());
        
        query.Dump("Data");