Getting derived classes

[Bill Baxter]

On Sat, Oct 18, 2008 at 6:20 AM, BCS <ao at pathlink.com> wrote:
> Reply to dsimcha,
>
>> I know that, in std.traits, there's a template that spits out all base
>> classes for a given class.  Based on reading the source, it seems to
>> work based on a rather interesting use case for is expressions.  Is
>> there any equivalent way to do the opposite:  For any given position
>> in a class hierarchy, to get a tuple of all possible descendants?
>>
>
> Via DLL/SO's, a derived class can be /written/ after the program that it
> will be used in is /compiled/. Because of that (and other less restrictive
> forms of that issue) The most general answer is; can't be done.

I wonder what Object.Factory does when you try to make a class from a
DLL like that.

I'm guessing it doesn't work.

--bb