On Saturday, 7 April 2012 at 06:33:03 UTC, Andrei Alexandrescu wrote: > Slides are online: > > http://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2012/Three-Unlikely-Successful-Features-of-D rollback1 seems to be missing on slide 15. You probably need 3 of them there.