Vtable for Thread
Thread::_ZTV6Thread: 6u entries
0     (int (*)(...))0
8     (int (*)(...))(& _ZTI6Thread)
16    0u
24    0u
32    (int (*)(...))__cxa_pure_virtual
40    (int (*)(...))Thread::sleep

Class Thread
   size=24 align=8
   base size=17 base align=8
Thread (0x0x154c9991a5a0) 0
    vptr=((& Thread::_ZTV6Thread) + 16u)

