public static string GetSubstring(string /*!*/ self, [DefaultProtocol] int start, [DefaultProtocol] int count)
{
if (!MutableStringOps.NormalizeSubstringRange(self.Length, ref start, ref count))
{
return((start == self.Length) ? self : null);
}
return(self.Substring(start, count));
}
public static string GetSubstring(ConversionStorage <int> /*!*/ fixnumCast, string /*!*/ self, [NotNull] Range /*!*/ range)
{
int begin, count;
if (!MutableStringOps.NormalizeSubstringRange(fixnumCast, range, self.Length, out begin, out count))
{
return(null);
}
return((count < 0) ? self : GetSubstring(self, begin, count));
}
