[#BloombergLP-bdlf-PlaceHolders-_12]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlf.adoc[bdlf]::xref:BloombergLP/bdlf/PlaceHolders.adoc[PlaceHolders]::&lowbar;12
:relfileprefix: ../../../
:mrdocs:

Placeholder for the twelfth argument to a bound function&period;

== Synopsis

Declared in `&lt;bdlf&lowbar;placeholder&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
extern
xref:BloombergLP/bdlf/PlaceHolder.adoc[PlaceHolder&lt;12&gt;] const &lowbar;12;
----


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