Easy strongified weak `self` in closures

weakify

#21

For a starter, this template should be useful.


(Xiaodi Wu) #22

Note that this idea has been written up multiple times already. To proceed to review it will generally need to garner a degree of consensus, absent some pressing need to ship before a deadline, and syntactic sugar has been considered low priority for Swift Evolution. I don’t think writing it up again is likely to be a high-yield activity.