[#bsl-function-0a-swap]
= xref:bsl.adoc[bsl]::xref:bsl/function-0a.adoc[function]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the targets held by this `function` and the specified `other`.

== Synopsis

Declared in `<bslstl_function.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(xref:bsl/function-0a.adoc[function]& other) noexcept;
----

== Description

The behavior is undefined unless `get_allocator() == other.get_allocator()`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *other*
| function with which to exchange targets
|===


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