Destructuring of parameters would be pretty cool. If it gets added to Swift it should be a general feature for all functions, not just on closures. There are a lot of design directions and subtleties that would need to be explored. I doubt it is something that will be considered in the Swift 3 timeframe.
> On May 5, 2016, at 9:43 AM, Dennis Weissmann via swift-users > <swift-users@swift.org> wrote: > > Thanks Krzysztof, you’re right! I totally forgot about that neat feature. > > However, there’s no way to do this directly in the parameter list, right? > > Do you think such feature should exist? > > - Dennis > >> On May 5, 2016, at 4:19 PM, Krzysztof Siejkowski <krzysz...@siejkowski.net >> <mailto:krzysz...@siejkowski.net>> wrote: >> >>> >>> A workaround is to declare two local variables: >>> >>> let e = zip(a,b).reduce(0) { acc, tuple in >>> let value1 = tuple.0 >>> let value2 = tuple.1 >>> return acc + value1 + value2 >>> } >> >> You can also get away with one assignment: >> >> let ok = zip(a,b).reduce(0) { acc, tuple in >> let (value1, value2) = tuple >> return acc + value1 + value2 >> >> } >> >> Best, >> Krzysztof > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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