std::packaged_task<R(Args...)>::valid (3) - Linux Manuals
std::packaged_task<R(Args...)>::valid: std::packaged_task<R(Args...)>::valid
NAME
std::packaged_task<R(Args...)>::valid - std::packaged_task<R(Args...)>::valid
Synopsis
bool valid() const noexcept; (since C++11)
Checks whether *this has a shared state.
Parameters
(none)
Return value
true if *this has a shared state, false otherwise.