Created
July 1, 2019 19:08
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Issue causing segmentation fault (Xcode 10.2.1, Swift 4.2.1)
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| /* === This code segfaults, and only through much trial & error + commenting out code did I narrow it down to this. === */ | |
| /* | |
| protocol PaymentService { | |
| typealias Error = Swift.Error & CustomStringConvertible & Equatable | |
| associatedtype LogInError: PaymentService.Error | |
| } | |
| // MyPaymentService.LogInError does not conform to Swift.Error | |
| */ | |
| /* === This code compiles fine. I believe this is a bug in the compiler (conforming to the typealias, | |
| unless changed deliberately, should behave as in prior Swift versions where it's equivalent to | |
| conforming directly as is done below. === */ | |
| protocol PaymentService { | |
| associatedtype LogInError: Swift.Error & CustomStringConvertible & Equatable | |
| } | |
| // MyPaymentService.LogInError DOES conform to Swift.Error |
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NOTE: The segfaulting code does compile and run on Xcode 10.1.