BitsetsNET.RoaringBitset.Cardinality C# (CSharp) Method

        public int Cardinality()
        {
            int size = 0;
            for (int i = 0; i < this.containers.Size; i++)
            {
                size += this.containers.GetContainerAtIndex(i).GetCardinality();
            }
            return size;
        }