Thanks for clarification.

I’ve created a bug report: https://bugs.swift.org/browse/SR-2915


> On 10 Oct 2016, at 19:57, Joe Groff <jgr...@apple.com> wrote:
> 
> 
>> On Oct 10, 2016, at 10:53 AM, Sebastian Hagedorn <sebast...@iosphere.de> 
>> wrote:
>> 
>> “Forever” is pretty long-term ;)
>> 
>> Since it is currently *not* possible for tuples to conform to protocols, 
>> isn’t it worth a warning (if my assumption that this would be easy to 
>> implement is correct), even if it may be obsolete in the future?
> 
> Yeah, even for non-tuples it may be worthwhile to offer a warning that there 
> isn't a currently-visible protocol conformance for the type of the operand 
> when it's a concrete type. You could easily enough silence the warning by 
> writing 'as Any as? P' or something like that if you really want to.
> 
> -Joe

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