[swift-evolution] [draft] Target environment platform condition

[Ben Rimmington]

Could this be an extra parameter for the os() platform condition?

#if os(iOS, simulator)

#if os(Android, emulator)

-- Ben

> On 25 Oct 2017, at 04:05, Graydon Hoare wrote:
> 
> Hi,
> 
> I'd like to propose a variant of a very minor, additive proposal Erica Sadun posted last year, that cleans up a slightly messy idiomatic use of conditional compilation in libraries. The effects should be quite limited; I'd call it a "standard library" addition except that the repertoire of compiler-control statements isn't strictly part of the stdlib.
> 
> Proposal is here: https://gist.github.com/graydon/809af2c726cb1a27af64435e47ef4e5d
> 
> Implementation (minus fixits) is here: https://github.com/graydon/swift/commit/16493703ea297a1992ccd0fc4d2bcac7d078c982
> 
> Feedback appreciated,
> 
> -Graydon