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std::packaged_task<R(Args...)>::operator=

packaged_task& operator=( const packaged_task& ) = delete;
(1) (since C++11)
packaged_task& operator=( packaged_task&& rhs ) noexcept;
(2) (since C++11)
1) Copy assignment operator is deleted, std::packaged_task is move-only.
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.

Parameters

rhs - the std::packaged_task to move from

Exceptions

1) (none)

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 deleted copy assignment operator took reference to non-const made const

Example

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