Moving the exception somewhere else.
Don't commit to anything until you know you can finish the job.
Sharing a single tracking pointer among all instances.
Restoring things that were automatically deleted.
Making a read-only tracking pointer from a read-write tracking pointer.
Making tracking pointers to const objects.
Another attempt to make tracking pointers to objects that you can't modify.
Making tracking pointers to objects that you can't modify.
How to copy from a const tracking pointer.
Building our own circular doubly-linked list.
