Am I doing it wrong?

[Denis Koroskin]

On Sun, 03 Oct 2010 14:54:06 +0400, Emil Madsen <sovende at gmail.com> wrote:

> So I wrote a program, to find prime numbers, just to check out this pure
> thing;
>
> http://gist.github.com/608493
>
> However, the program has a runtime of about 5 seconds? - in my mind, if  
> the
> function is pure, shouldn't the compiler insure that it was evaluated at
> compiletime? - or am I doing it wrong?
>

Make your result an "enum" (i.e. compile-time constant) if you really want  
to calculate it in compile-time:

enum primes = calcPrimes();