bsl::swap

Exchange the states of the specified weak_ptr objects a and b.

Synopsis

Declared in <bslstl_sharedptr.h>

template<class ELEMENT_TYPE>
void
swap(
    weak_ptr<ELEMENT_TYPE>& a,
    weak_ptr<ELEMENT_TYPE>& b) noexcept;

Description

Efficiently exchange the states of the specified a and b weak pointers such that each will refer to the object (if any) and representation formerly referred to by the other.

Parameters

Name

Description

first object to exchange

second object to exchange

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