[swift-evolution] When to use argument labels, part DEUX

[Douglas Gregor]

> On Feb 6, 2016, at 10:08 PM, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
> on Sat Feb 06 2016, Thorsten Seitz <swift-evolution at swift.org> wrote:
> 
>> So the preposition should move into the argument label if the argument is optional?
>> 
>> copy(withZone: zone = nil)
> 
> That's a good idea.

It seems unfortunate that the placement of the preposition should change depending on whether there is a default argument or not, especially since it is reasonable to imagine that an API evolves to gain a default argument later on.

	- Doug

> 
>> -Thorsten 
>> 
>>> Am 06.02.2016 um 14:45 schrieb Matthew Judge via swift-evolution
>>> <swift-evolution at swift.org>:
>>> 
>>> Very first method
>>> 
>>> copyWith(zone: Zone = nil)
>>> 
>>> can be called as
>>> 
>>> copyWith()
>>> 
>>> I'm assuming this is still something we don't want right?
>>> 
>>>> On Feb 6, 2016, at 02:16, Douglas Gregor via swift-evolution
>>>> <swift-evolution at swift.org> wrote:
>>>> 
>>>> 
>>>>> On Feb 5, 2016, at 1:32 PM, Dave Abrahams via swift-evolution
>>>>> <swift-evolution at swift.org> wrote:
>>>>> 
>>>>> 
>>>>> Given all the awesome feedback I've gotten on this thread, I went back
>>>>> to the drawing board and came up with something new; I think this one
>>>>> works.  The previously-stated goals still apply:
>>>> 
>>>>> [snip goals]
>>>> 
>>>>> P.S. Doug is presently working on generating new importer results, based
>>>>>    on these guidelines, for your perusal.  They should be ready soon.
>>>> 
>>>> 
>>>> Here’s a link:
>>>> 
>>>> 	https://github.com/apple/swift-3-api-guidelines-review/pull/10/files
>>>> 
>>>> Feedback welcome!
>>>> 
>>>> 	- Doug
>>>> 
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> 
> -- 
> -Dave
> 
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