> The compiler emits this for you automatically as a .swiftinterface file It's so incredibly slow, though, which is frustrating. It would be ok if only this we

> The compiler emits this for you automatically as a .swiftinterface file It's so incredibly slow, though, which is frustrating. It would be ok if only this were as instantaneous as checking a header file. Ironically, almost everything about "Swift" is slower than Objective-C.