compile-time variables?

[BCS]

Reply to Robert,

> Hi,
> 
> D has some pretty impressive metaprogramming features, but I was
> wondering if there was any way to do compile-time variables, or fake
> it with recursive templates or something. In particular, I want a
> mixin template that mixes in a  unique numeric ID as part of a
> function every time it's used in a mixin. Thouands of these functions
> will be used in the program, and each must have a unique ID in an
> associative array (after they're called for the first time, lazy eval
> is being done at runtime).
> 
> If I can avoid code bloat, all the Better!
> 
> Thanks,
> Fraser

it's does stuff at runtime but this should work

int val = 0

class UID(char[] file, int line, A...)
{
  static const uid;
  static this(){uid = val++}
}

UID!(__FILE__, __LINE__).uid

if it is used in a template, add enough of the template args to make each 
instance have different args.