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[Craig Black]

> I've considered this as well.  In fact, I've got library code to do this 
> for C++.  But I'd prefer something a bit more forward-looking for D (see 
> Herb Sutter's Concur project for one possibility).  I'm planning to 
> address this need at some point in Ares, probably in a manner similar to 
> the Concur design, but I don't have time at the moment.

BTW Sean, I didn't mention it before, but this would be VERY cool to have in 
D.  I'm glad you are thinking along these lines.  Kudos for being so darn 
smart.

-Craig