20 General utilities library [utilities]

20.11 Smart pointers [smartptr]

20.11.2 Shared-ownership pointers [util.sharedptr]

20.11.2.2 Class template shared_­ptr [util.smartptr.shared]

20.11.2.2.9 Specialized algorithms [util.smartptr.shared.spec]

template<class T> void swap(shared_ptr<T>& a, shared_ptr<T>& b) noexcept;
Effects: Equivalent to a.swap(b).