Version identifiers for iOS and Apple platforms

[kinke]

On Sunday, 23 February 2020 at 14:50:46 UTC, Johan Engelen wrote:
> The "ARM" part of AppleARM is also misleading (maybe more so). 
> Intuitively, I feel there may be some benefit in naming things 
> similar to how they are in C source. In the reserved version 
> identifier documentation (the table) you can say that it 
> applies to WatchOS etc. aswell...

No strong opinion either, but I agree and could live with a 
`version (iPhone)`, if that's what they chose for C.

I hope there's no need for extra simulator versions; if there's 
need for special-casing, I hope the arch version can be re-used.