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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