Is it possible to use Swift 2.2 in Xcode 8?
From Xcode 8 release notes:
\"Xcode 8 supports switching toolchains, such as those from swift.or
If you want to continue to use Swift 2 in Xcode 8, then use Swift 2.3 by enabling the Use Legacy Swift Language Version build setting (SWIFT_VERSION = 2.3).
SWIFT_VERSION = 2.3