20 General utilities library [utilities]

20.11 Smart pointers [smartptr]

20.11.2 Shared-ownership pointers [util.smartptr]

20.11.2.3 Class template weak_ptr [util.smartptr.weak]

20.11.2.3.2 weak_ptr destructor [util.smartptr.weak.dest]

~weak_ptr();

1

Effects: Destroys this weak_ptr object but has no effect on the object its stored pointer points to.