how to get timestamp in compile-time?
simen.kjaras at gmail.com
Tue Mar 23 04:11:06 PDT 2010
On Tue, 23 Mar 2010 08:35:54 +0100, Zólyomi Istvan
<istvan.zolyomi at gmail.com> wrote:
> 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
> 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?
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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