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

Exchange the values of the specified `lhs` and `rhs`.

== Synopsis

Declared in `<bslfmt_format_arg.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(
    xref:BloombergLP/bslfmt/basic_format_arg-05.adoc[basic_format_arg]& lhs,
    xref:BloombergLP/bslfmt/basic_format_arg-05.adoc[basic_format_arg]& rhs);
----


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