ContiguousFreeList.deallocate
bool deallocate(void[] b)Deallocates b. If it's of eligible size, it's put on the free list. Otherwise, it's returned to parent.
Precondition: b has been allocated with this allocator, or is null.
bool deallocate(void[] b)Deallocates b. If it's of eligible size, it's put on the free list. Otherwise, it's returned to parent.
Precondition: b has been allocated with this allocator, or is null.