Before any of the member functions would yield undefined results, calls callbacks, registered by register_callback() passing erase_event as parameter. Then, deallocates any memory obtained.
No operations on
rdbuf are performed, it is not destroyed.
 Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
|DR||Applied to||Behavior as published||Correct behavior|
|LWG 3434||C++98|| the destructor was not required to reclaim memory for