| In: | lib/Borges/Utilities/WeakIdentityKeyHash.rb | 
| Parent: | Object | 
A key for Weak::IdentityKeyHash that holds weakly on its contents.
| ID_MAP | = | {} | 
| Map from an object to a list of its references | ||
| ID_REV_MAP | = | {} | 
| Map from a reference to its object | ||
| internal_id | [R] | The object being weakly held by this key. |