[#BloombergLP-bsltf-swap-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsltf.adoc[bsltf]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the states of two objects.

== Synopsis

Declared in `<bsltf_moveonlyalloctesttype.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(
    xref:BloombergLP/bsltf/MoveOnlyAllocTestType.adoc[MoveOnlyAllocTestType]& a,
    xref:BloombergLP/bsltf/MoveOnlyAllocTestType.adoc[MoveOnlyAllocTestType]& b);
----

== Description

Exchange the states of the specified `a` and `b`. Both `a` and `b` will be left in a moved‐into state. No allocations shall occur (so no exceptions will be thrown) unless `a` and `b` have different allocators.

== Parameters

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


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