CSharpTradeOffers.Community.SteamUserHandler.CommaDelimit C# (CSharp) Method

        static string CommaDelimit(List<ulong> toDelimit)
        {
            string returned = toDelimit.Aggregate(string.Empty, (current, @ulong) => current + (@ulong + ","));
            return returned.Substring(0, returned.Length - 1);
        }