[#BloombergLP-bdlcc-FixedQueueIndexManager-numRepresentableGenerations]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/FixedQueueIndexManager.adoc[FixedQueueIndexManager]::numRepresentableGenerations
:relfileprefix: ../../../
:mrdocs:

Return the number of representable generations for a circular buffer of the specified `capacity`&period;

== Synopsis

Declared in `&lt;bdlcc&lowbar;fixedqueueindexmanager&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
unsigned int
numRepresentableGenerations(std::size&lowbar;t capacity);
----


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