> On 21 Dec 2017, at 05:16, Brent Royal-Gordon via swift-evolution 
> <swift-evolution@swift.org> wrote:
> 
>> On Dec 19, 2017, at 2:58 PM, Ted Kremenek via swift-evolution 
>> <swift-evolution@swift.org> wrote:
>> 
>>      • What is your evaluation of the proposal?
> 
> I am pleased with the broad strokes of this design. I have quibbles with 
> three areas:
> 
> 1. The `@exhaustive` attribute may be confusing because the term doesn't 
> suggest versioning. My best alternative suggestion is `@frozen`, which 
> matches existing programming terminology: something that has been frozen will 
> not be changed in the future.
> 
> 

I like frozen, but what is its opposite? Is it still non-exhaustive?

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