I think using ARC for memory management is smart. However, the cycle collector isn't going to work when you start doing interop with native objects. So I think

I think using ARC for memory management is smart. However, the cycle collector isn't going to work when you start doing interop with native objects. So I think Kotlin is going to need a "Weak" annotation in the standard library, which will be a no-op on the JVM and JS.