[phobos] Parallelism in Phobos

[Walter Bright]

David Simcha wrote:
>
> One last note:  Walter claimed a while back on the NG that 
> Parallelfuture doesn't compile.  I use it regularly and it compiles 
> for me.  Walter, can you please point out what the issue was?
>   

I don't recall :-(

Anyhow, to me a concurrency library is for things like futures, message 
passing, mutexes, etc. A parallel library is for things like dividing a 
loop's computation into multiple sub-tasks and then running those tasks 
in multiple threads.