CSMSL.Analysis.Quantitation.QuantitationChannelSet.GetUniquePeptides_helper C# (CSharp) Method

        private static void GetUniquePeptides_helper(IList<QuantitationChannelSet> sets, int setIndex, HashSet<IQuantitationChannel> channels, List<HashSet<IQuantitationChannel>> result)
        {
            if (setIndex >= sets.Count)
            {
                result.Add(new HashSet<IQuantitationChannel>(channels));
            }
            else
            {
                QuantitationChannelSet currentSet = sets[setIndex];

                foreach (IQuantitationChannel channel in currentSet.GetChannels())
                {
                    channels.Add(channel);
                    GetUniquePeptides_helper(sets, setIndex + 1, channels, result);
                    channels.Remove(channel);
                }
            }
        }