Temporary lifetime fuckfuck

gistfile1.cpp

// Consider these code snippets:

    struct Test { Test() { thread([this]{ /* do something */; }).detach(); } 
    int main()
    {
        Test{}; // <-- variable dies here! The "do something" inside the detached
                // thread doesn't work as expected (undefined behavior?)
        while(true) { this_thread::sleep(milliseconds(1)); }
    }

// ---

    struct Test { Test() { thread([this]{ /* do something */; }).detach(); } 
    int main()
    {
        Test t{}; 
        while(true) { this_thread::sleep(milliseconds(1)); }
    } // <-- variable dies here! The "do something" works as expected