[#bsl-swap-092]
= xref:bsl.adoc[bsl]::swap
:relfileprefix: ../
:mrdocs:

Exchange the states of the specified `shared_ptr` objects `a` and `b`.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ELEMENT_TYPE>
void
swap(
    xref:bsl/shared_ptr-0a.adoc[shared_ptr<ELEMENT_TYPE>]& a,
    xref:bsl/shared_ptr-0a.adoc[shared_ptr<ELEMENT_TYPE>]& b) noexcept;
----

== Description

Efficiently exchange the states of the specified `a` and `b` shared pointers such that each will refer to the object formerly referred to by the other, and each will manage the object formerly managed by the other.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| first object to exchange
| *b*
| second object to exchange
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#