Newmoon.SchemeString.SubString C# (CSharp) Метод

        public SchemeString SubString(int start, int end)
        {
            if (start < 0)
            throw new ArgumentOutOfRangeException("start", start, "substring start < 0");
            if (end > Length)
            throw new ArgumentOutOfRangeException("end", end, "substring end > string-length");
            if (start > end)
            throw new ArgumentOutOfRangeException("start", start, "substring start > end");

            ensureArray();
            char[] s = new char[end - start];
            for (int i = start; i < end; i++)
            s[i - start] = _chars[i];
            return new SchemeString(s, true);
        }