How can I make a weak protocol reference in 'pure' Swift (without @objc)

weak references don't seem to work in Swift unless a protocol is declared as @objc, which I don't want in a pure Swift app. This code gives a compile error (weak cannot be applied to non-class type MyClassDelegate): class MyClass { weak var delegate: MyClassDelegate? } protocol MyClassDelegate { } I need to prefix the protocol with @objc, then it works. Question: What is the 'pure' Swift way to ac

[yfnt]

How can I make a weak protocol reference in 'pure' Swift (w/o @objc) - Stack Overflow