dynamic_self_swift4.swift

// 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.

protocolFactoryPattern{
init(factory:@autoclosure()->Self)
}

extensionFactoryPattern{
init(factory:@autoclosure()->Self){self=factory()}
}

classFactory:FactoryPattern{
init(_string:String){}

convenienceinit(string:String){
self.init(factory:Factory(_string: string))
}
}