What's your opinion on Functional D?

[Craig Black]

I completely agree with this article.  Pure functions may have some utility, 
but the cost of complexity, both in the compiler implementaiton and the 
syntax may not be worth the benefit.  IMO, there are other abstractions that 
support threaded programming that fit better with imperative languages. 
Herb Sutter's idea for active classes comes to mind here.

-Craig