[#BloombergLP-bdlc-Queue-InitialCapacity]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/Queue.adoc[Queue]::InitialCapacity
:relfileprefix: ../../../
:mrdocs:

Enable uniform use of an optional integral constructor argument to specify the initial internal capacity (in elements). For example, ` Queue<unsigned int> x(Queue::InitialCapacity(8)); ` instantiates an object `x` with an initial capacity of 8 elements, but with a logical length of 0 elements.

== Synopsis

Declared in `<bdlc_queue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct InitialCapacity;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlc/Queue/InitialCapacity/2constructor.adoc[`InitialCapacity`]         [.small]#[constructor]#
| Create an initial‐capacity specifier holding the specified `i`.
| xref:BloombergLP/bdlc/Queue/InitialCapacity/2destructor.adoc[`~InitialCapacity`] [.small]#[destructor]#
| Destroy this object.
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlc/Queue/InitialCapacity/d_i.adoc[`d_i`] 
| Initial capacity value (in elements).
|===



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