[swift-evolution] [Draft Proposal] A simplified notation for avoiding the weak/strong dance with closure capture lists

Erica Sadun erica at ericasadun.com
Fri Feb 12 12:34:07 CST 2016

How about 

guard reconstitute self else { return }

-- E

> On Feb 12, 2016, at 11:28 AM, Jason Gregori via swift-evolution <swift-evolution at swift.org> wrote:
> I like Kenny and Kurt's points about handling the majority case and keeping the syntax simpler.
> I feel like most of the time I want to break a retain cycle is for a completion block which returns void. Can we just handle that case and get rid of the else?
> Also, I don't think [guard self] is self explanatory enough. I think weak should be in there so it's much more obvious you are doing the weak/strong dance with self, otherwise it looks like you are guarding against a regular optional being nil.
> So:
> [guard weak self, other]
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