[D-runtime] [dmd-internals] why core/thread.d and core/thread.di in druntime?

[Andrei Alexandrescu]

On 1/9/13 10:22 AM, Don Clugston wrote:
> Personally I don't think we should have any .di files in there,
> whatsoever. They just cause problems, for NO BENEFIT. We don't want
> have trade secrets we want to hide, and .di files serve no other
> purpose.
> (Please everyone, abandon any fanciful ideas that they speed
> compilation. Anybody who thinks it does, clearly hasn't done any
> profiling).

I'm thinking about avoiding duplication, OOAO and such. Would di files 
help with that in this particular case?

Andrei