public override Compiler.Parsing.Data.Node Visit(Compiler.Parsing.Data.FormalParameters node)
        {
            var clone = new Compiler.Parsing.Data.FormalParameters()
            {
                Name = node.Name, IsPlaceholder = node.IsPlaceholder
            };

            foreach (var child in node)
            {
                clone.Add(child.Accept(this));
            }
            return(clone);
        }