Serial is the default for a DispatchQueue.

Jack
> On Aug 1, 2016, at 4:34 PM, Jon Shier via swift-users <swift-users@swift.org> 
> wrote:
> 
> Is it? I can’t tell by either the generated interface (default is not a 
> useful value to expose) or a brief read of the Queue.swift file for it. 
> 
> 
> Jon
> 
>> On Aug 1, 2016, at 6:52 PM, Brent Royal-Gordon <br...@architechies.com> 
>> wrote:
>> 
>>> On Aug 1, 2016, at 3:15 PM, Jon Shier via swift-users 
>>> <swift-users@swift.org> 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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