packaged_task& operator=( const packaged_task& ) = delete;
packaged_task& operator=( packaged_task&& rhs ) noexcept;
1) Copy assignment operator is deleted,
2) Releases the shared state, if any, destroys the previously-held task, and moves the shared state and the task owned by rhs into *this. rhs is left without a shared state and with a moved-from task.
|rhs||-|| the |
|This section is incomplete|
Reason: no example
 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 2067||C++11||the parameter type of the copy assignment operator was