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    std::thread::~thread

    From cppreference.com
     
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    std::thread
     
    ~thread();
    		(since C++11)

    Destroys the thread object.

    If *this has an associated thread (joinable() == true), std::terminate() is called.

    Notes

    A thread object does not have an associated thread (and is safe to destroy) after

    • it was default-constructed.
    • it was moved from.
    • join() has been called.
    • detach() has been called.

    Example

    Run this code
    #include <thread>
using namespace std::chrono_literals;

int main()
{
    auto bleah = std::thread{[]{ std::this_thread::sleep_for(13ms); }};

}   // ~thread calls std::terminate()

    Possible output: 

    terminate called without an active exception

    See also

    		 if the thread is joinable, then a stop is requested and the thread joins
    (public member function of std::jthread) [edit]