On Thursday, 9 April 2015 at 09:05:10 UTC, Ola Fosheim Grøstad wrote: > 2. How will this work with "yield"? > You yield both caller and callee, so you'll get caller's boxing in the yield. > Why not just implement the more generic solution (shared > pointers with move/borrow or WPO) ? I don't think this is possible.