access.swift

struct A {
    private var foo: Int = 10
}

extension A {
    func bar() -> Int {
        return self.foo // this will work after #169
    }
}


class C {
    private var foo: Int = 10
}

class D: C {
    func bar() -> Int {
        return self.foo. // this will be a compiler error after #169 still
    }
}