System.Xml.Xsl.XPathConvert.BigInteger.ShiftUsRight C# (CSharp) Method

            public void ShiftUsRight(int cu) {
                AssertValid();
                Debug.Assert(cu >= 0);

                if (cu >= length) {
                    length = 0;
                } else if (cu > 0) {
                    for (int i = 0; i < length - cu; i++) {
                        digits[i] = digits[cu + i];
                    }
                    length -= cu;
                }
                AssertValid();
            }