[#BloombergLP-bslalg-SwapUtil-swap]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/SwapUtil.adoc[SwapUtil]::swap
:relfileprefix: ../../../
:mrdocs:

Exchange the values of the objects pointed to by `a` and `b`.

== Synopsis

Declared in `<bslalg_swaputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class T>
static
void
swap(
    T* a,
    T* b);
----

== Description

Exchange the values of the specified `a` and `b` objects using either a `swap` free function overloaded for type `T`, in the namespace of type `T` if it's available, and the default generic `bsl::swap` otherwise.

== Parameters

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


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