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

[Dave Abrahams]

on Sat Feb 06 2016, Douglas Gregor <swift-evolution at swift.org> wrote:

>> 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.

You're right; it would complicate the rules significantly, too.

> 	- 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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-- 
-Dave