[#BloombergLP-bdlc-Queue-2constructor-027f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/Queue.adoc[Queue]::Queue
:relfileprefix: ../../../
:mrdocs:

Create an in‐place queue. By default, the queue is empty. Optionally specify the `initialLength` of the queue. Queue elements are initialized with the specified `initialValue`, or to 0.0 if `initialValue` is not specified. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. The behavior is undefined unless `0 <= initialLength`.

== Synopsis

Declared in `<bdlc_queue.h>`

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


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