[#BloombergLP-bdlcc-Deque-2constructor-025]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Deque.adoc[Deque]::Deque
:relfileprefix: ../../../
:mrdocs:

Create an empty container with `highWaterMark` and `clockType`.

== Synopsis

Declared in `<bdlcc_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Deque(
    std::size_t highWaterMark,
    xref:BloombergLP/bsls/SystemClockType/Enum.adoc[bsls::SystemClockType::Enum] clockType,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Create a container of objects of (template parameter) `TYPE`, with the specified `highWaterMark`, and use the specified `clockType` to indicate the epoch used for all time intervals (see {Supported Clock‐Types} in the component documentation). Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. The behavior is undefined unless `highWaterMark > 0`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *highWaterMark*
| maximum number of items before pushes block
| *clockType*
| clock type for timed wait operations
| *basicAllocator*
| allocator used to supply memory
|===


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