[#BloombergLP-bdlcc-FixedQueueIndexManager-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/FixedQueueIndexManager.adoc[FixedQueueIndexManager]::FixedQueueIndexManager
:relfileprefix: ../../../
:mrdocs:

Create an index manager for a circular buffer having the specified maximum `capacity`. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. `isEnabled` will be `true` for the newly created index manager. The behavior is undefined unless `0 < capacity` and `capacity <= k_MAX_CAPACITY`.

== Synopsis

Declared in `<bdlcc_fixedqueueindexmanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
FixedQueueIndexManager(
    std::size_t capacity,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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