Well, here is what I got in IBM Swift Sandbox.
http://swift.sandbox.bluemix.net/#/repl/5913a8594ee0cd258050b2fd
<http://swift.sandbox.bluemix.net/#/repl/5913a8594ee0cd258050b2fd>
If I got you right, it works.
Yes, partially implemented functions is a problem. But we definitely could mark
the ones that are not implemented at all and not being called.
> On 11 May 2017, at 02:43, Philippe Hausler <phaus...@apple.com> wrote:
>
> This of course is predicated upon availability macros working appropriately
> on linux (which last time I checked we don’t have a version variant). It is
> definitely worth investigation.
>
>> On May 10, 2017, at 16:41, Tony Parker via swift-corelibs-dev
>> <swift-corelibs-dev@swift.org> wrote:
>>
>> Hi Sergej,
>>
>> This is a good idea, but there are some additional things to consider. In
>> some cases, methods are partially unimplemented (with edge cases, or at
>> least less common cases remaining unfinished). The availability macro can’t
>> reflect that status.
>>
>> In other cases, we want to partially implement one function but still call
>> through to an unimplemented function. The entire call may fail with the
>> assert, but at least we have part of the implementation in place.
>>
>> - Tony
>>
>>> On May 10, 2017, at 4:01 PM, Sergej Jaskiewicz via swift-corelibs-dev
>>> <swift-corelibs-dev@swift.org> wrote:
>>>
>>> I was wondering why cannot we just mark all the
>>> methods/properties/functions in Swift Foundation that are NSUnimplemented
>>> or call a subroutine that is NSUnimplemented like this:
>>>
>>> @available(*, unavailable, message: “foo is not implemented yet”)
>>> func foo() { NSUnimplemented() }
>>>
>>> In this case we can be sure at compile time that we don’t use code that
>>> will definitely crash.
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>>
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