[swift-evolution] What about a VBA style with Statement?

Erica Sadun erica at ericasadun.com
Thu Apr 14 12:03:47 CDT 2016


> On Apr 14, 2016, at 10:42 AM, Jonathan Tang via swift-evolution <swift-evolution at swift.org> wrote:
> 
> On Thu, Apr 14, 2016 at 8:23 AM, Tino Heth via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
> 
> > (in Smalltalk, like in Swift?, if i remember correctly,  ‘self’ is implicitly
> > returned in absence of a return value and can be ignored.
> I'm a big fan of returning self — its much more useful than void…
> But it seems the Swift-community doesn't like method chaining.
> 
> 
> I dunno about that... AlamoFire and SwiftyJSON both use it, and are quite popular with rank-and-file Swift programmers.  It's certainly not popular in the Objective-C community (where the syntax doesn't really support it), but it seems like the Swift community may be warming up to it.
> 
> I also like the idea of a dedicated method-cascading operator, like what Dart has.  It eliminates the need for a programmer to explicitly remember to 'return self' at the end of a chainable method.  Not sure how well it'd integrate with SE-0047 (@discardableResult) though.

Method cascades draft: https://gist.github.com/erica/6794d48d917e2084d6ed

deferred to after 3.0

-- E



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