[#BloombergLP-bdlc-swap-060]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the contents of the two sets.

== Synopsis

Declared in `<bdlc_flathashset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(
    xref:BloombergLP/bdlc/FlatHashSet.adoc[FlatHashSet<K, H, E>]& a,
    xref:BloombergLP/bdlc/FlatHashSet.adoc[FlatHashSet<K, H, E>]& b);
----

== Parameters

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


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