# std::swap(std::weak_ptr)

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< cpp‎ | memory‎ | weak ptr

template< class T > void swap( weak_ptr<T>& lhs, weak_ptr<T>& rhs ) noexcept; |  | (since C++11)

Specializes the std::swap algorithm for std::weak_ptr. Swaps the pointers of `lhs` and `rhs`. Calls lhs.swap(rhs).

### Parameters

lhs, rhs | - | smart pointers whose contents to swap

### Return value

(none)

### Complexity

Constant

### See also

swap | swaps the values of two objects (function template)
swap | swaps the contents (public member function)

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