Consider implementing Drop for NSAutoreleasePool?

[daniel-abramov]

Does it make sense to implement a Drop trait for NSAutoreleasePool, so it is called whenever NSAutoreleasePool goes out of scope. It turns out that if the user does not call NSAutoreleasePool::drain() / NSAutoreleasePool::release() manually, the memory will be leaked (by the way the examples from the repository do not call drain, release as well).