> On Aug 1, 2016, at 3:15 PM, Jon Shier via swift-users <[email protected]> 
> wrote:
> 
> Swifters:
>       It seems that in Xcode 8 beta 4, DispatchQueueAttributes was refactored 
> to be DispatchQueue.Attributes but in the process lost the .serial attribute. 
> How are we to create serial queues now? On a related note, where can we find 
> the latest documentation for the Dispatch overlay? The Apple docs don’t have 
> any actual usage information yet, so is there any documentation actually 
> generated from code, like swiftdoc.org does for the standard library? 
>       Here’s a link to the Apple dev forum regarding the same DispatchQueue 
> issue: https://forums.developer.apple.com/thread/53270

Isn't `serial` the default? If so, you should just be able to pass an empty 
array literal (`[]`) or omit the `attributes` parameter entirely.

-- 
Brent Royal-Gordon
Architechies

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