Other language features you'd want in D

[Robert Fraser]

Denton Cockburn wrote:
> What are some features found in other languages that you believe would be
> really good to have in D?
> 
> These can be language features or library features.
> 
> It shouldn't be any of the general items found in the comparison FAQ (like
> Multiple inheritance).  Something that's relatively nice and specific.
> 
> e.g.
> I miss multiple value returns found in Lisp.  Out parameters are not
> nearly as nice.
> 
> P.S. Has anyone thought to write a document on some of the struct tricks
> that I've been seeing mentioned?  They exploit struct features, but I
> think only a select few understand them.

Initializing runtime constants without a static this() a la Java,

class C
{
     static int x = someRuntimeInitializer(10);
     int y = someRuntimeInitializer(20);
}