| // RUN: %target-typecheck-verify-swift -swift-version 4 |
| |
| // ---------------------------------------------------------------------------- |
| // Semi-bogus factory init pattern -- Swift 4 permitted this for non-final |
| // classes, which is unsound, but swift-corelibs-foundation made use of |
| // this, so possibly there are other usages in the wild. |
| // |
| // See test/decl/func/dynamic_self.swift for the Swift 5 test case. |
| |
| protocol FactoryPattern { |
| init(factory: @autoclosure () -> Self) |
| } |
| |
| extension FactoryPattern { |
| init(factory: @autoclosure () -> Self) { self = factory() } |
| } |
| |
| class Factory : FactoryPattern { |
| init(_string: String) {} |
| |
| convenience init(string: String) { |
| self.init(factory: Factory(_string: string)) |
| } |
| } |