Random D geekout

[Jakob Ovrum]

On Saturday, 21 April 2012 at 14:40:00 UTC, H. S. Teoh wrote:
> I'm getting confused about the use of 'static' in this context. 
> What I
> wanted was to make the regex module-global, but apparently 
> 'static' has
> an overloaded meaning here, and also makes it compile-time 
> evaluated?
> How do I make it module-global without being compile-time 
> evaluated??
>
>
> T

it just so happens to be that 'static' function variables in D 
require compile-time available initializers. To initialize with a 
runtime value on first execution, you have to implement that 
manually:

void foo(int a)
{
     static int first;
     static first_initialized = false;

     if(!first_initialized)
     {
         first = a;
         first_initialized = true;
     }

     // ...
}