Does D have an equivalent to C#'s String.IsNullOrWhiteSpace() in the standard library?
just asking if there's a native one, so I don't need reinvente the wheel
https://msdn.microsoft.com/en-us/library/system.string.isnul lorwhitespace%28v=vs.110%29. aspx?f=255&MSPPError=-21472173 96