compile time stuff

import std.range : iota;
import std.math : sqrt;

bool isPrime(int n)()
{
    static if(n==2)
    {
        return true;
    }
    else static if(n%2==0)
    {
        return false;
    }
    else
    {
        static foreach(int i;iota(3,cast(int)sqrt(cast(real)n),2))
        {
            if(n%i==0)
            {
                return false;
            }
        }
        return true;
    }
}

enum myNum=1000000007;

pragma(msg,"myNum is:");
pragma(msg,myNum);
pragma(msg,"is myNum prime?");
pragma(msg,isPrime!myNum);

static assert(0,"this program isn't supposed to finish compiling");