scalus.utils

Objects are hash-consed during restoring from file. Note, that identityHashCode can be different on the different VM-s, so it is not safe to reky on it. value-based hash-code now is not determenistics on recuresive data structures with self-references. So, we use identityHashCode on VN which store file and restore internal references on other VN.

When we read from the HashConsedRead.State, we can have forward references, which will be resolved after the whole structure is readed. Here, HashConsedRef can hold object ro Ref or object of some intermediate representation, which holds other refs.