AST files instead of DI interface files for faster compilation and easier distribution

[Guillaume Chatelet]

> So parsing time has taken quite a hit since I last did any reports on
> compilation speed of building phobos.

So maybe my post about "keeping import clean" wasn't as irrelevant as I
thought.

http://www.digitalmars.com/d/archives/digitalmars/D/Keeping_imports_clean_162890.html#N162890

--
Guillaume