23 General utilities library [utilities]

23.11 Smart pointers [smartptr]

23.11.2 Shared-ownership pointers [util.smartptr]

23.11.2.3 Class template weak_­ptr [util.smartptr.weak]

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

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