Yea.Compression.BitArrayCompress.Get C# (CSharp) Method

        public bool Get(int index)
        {
            if (_usingIndexes)
            {
                var f = _offsets.Find(i => i == (uint) index);
                if (f > 0)
                    return true;
                return false;
            }
            CheckBitArray();

            Resize(index);

            return InternalGet(index);
        }