[#BloombergLP-bdlf-PlaceHolders-_4]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlf.adoc[bdlf]::xref:BloombergLP/bdlf/PlaceHolders.adoc[PlaceHolders]::_4
:relfileprefix: ../../../
:mrdocs:

Placeholder for the fourth argument to a bound function.

== Synopsis

Declared in `<bdlf_placeholder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
extern
xref:BloombergLP/bdlf/PlaceHolder.adoc[PlaceHolder<4>] const _4;
----


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