Method category index
Answer a new association with the given key and value
Answer the namespace in which I live.
Set the namespace in which I live to be aNamespace.
This message is sent to the receiver when the object is made ephemeron (which is common when HomedAssociations are used by a WeakKeyDictionary or a WeakSet). The mourning of the object's key is first of all demanded to the environment (which will likely remove the object from itself), and then performed as usual by clearing the key and value fields.
Put on aStream some Smalltalk code compiling to the receiver