Another Phobos2 test

[bearophile]

Jonathan M Davis:

> Regardless of what language you're 
> programming in, it's generally best to program in the typical paradigms of that 
> language. Trying to contort it to act like another language is _not_ going to 
> result in optimal code.

D supports functional style too now. In Bugzilla I have put most of the requests I think are useful. So if you have specific comments please add to those.

Bye,
bearophile