std::packaged_task<R(Args...)>::valid
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std::packaged_task
Member functions
packaged_task::valid
Getting the result
Execution
Non-member functions
Helper classes
(until C++17)
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bool valid() const noexcept;
(since C++11)
Checks whether *this has a shared state.
[edit] Parameters
(none)
[edit] Return value
true if *this has a shared state, false otherwise.