using static System.Console;

using System.Collections.Generic;

public class Program {

    public static void Main() {

        var list = ToAnonymousList(new { Codigo = "Codigo", Servico = "Servico", Quantidade = "Quantidade", Preco = "Preco" });

        WriteLine(list[0].Codigo);

    }

    public static IList<T> ToAnonymousList<T>(params T[] items) => items;

}