Unique IDs for each template instantiation at compile-time?

[Marco Leise]

Am Thu, 19 Dec 2013 00:01:03 +0100
schrieb "Weasel" <weaselcat at gmail.com>:

> I was wondering if it was possible to generate unique(in order) 
> IDs for each template instantiation of a class at compile-time.
> 
> A short example of what I'm trying to do:
> 
> static int counter = 0;
> class A(T)
> {
>      enum id = counter++;
> }
> class B : A!B
> {
> }
> 
> Ofcourse, this doesn't compile because the "counter" variable 
> can't be read at compile-time.

Something like that cannot work. Imagine your template is in
a.d and you instantiate it in b.d and c.d. Now you compile:

  dmd -c b.d
  dmd -c c.d

Both times the counter imported from a.d would start at 0.

-- 
Marco