how to get timestamp in compile-time?

Simen kjaeraas simen.kjaras at
Tue Mar 23 04:11:06 PDT 2010

On Tue, 23 Mar 2010 08:35:54 +0100, Zólyomi Istvan  
<istvan.zolyomi at> wrote:

> Hi,
> recently I've been experimenting with metaprogramming in D. I've been  
> trying to create a simple compiler benchmark that can be used like the  
> following oversimplified code:
> const time starttime = gettime();
> mixin(code); // or any other metaprogramming activity (or even simple  
> code)
> const time endtime = gettime();
> pragma(msg, "Compiled in ", endtime - starttime);
> It works fine with the exception of getting the current time.  
> Unfortunately, I've found no ctfe-capable library function to get the  
> time, and it turned out that special tokens like __TIME__ and its kind  
> are evaluated once during compilation, so it always returns the same  
> time for the same compilation unit.
> Do you have any idea how to get the time in compile-time?
> thanks
> István

Currently not possible, as far as I know.

If you must, try instead to make a tiny program that launches DMD,
and times its running time.


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