[#BloombergLP-bslalg-DequeImpUtil]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::DequeImpUtil
:relfileprefix: ../../
:mrdocs:

This `struct`, parameterized by the `VALUE_TYPE` and a `BLOCK_LENGTH`, provides the various parameters of the deque implementation.

== Synopsis

Declared in `<bslalg_dequeimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class VALUE_TYPE,
    int BLOCK_LENGTH>
struct DequeImpUtil;
----

== Types

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslalg/DequeImpUtil/Block.adoc[`Block`] 
| A block of one or more data objects. A deque will be organized as a sequence of blocks.
|===


== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslalg/DequeImpUtil/BlockPtr.adoc[`BlockPtr`] 
| Pointer to a block. A deque will own an array of those.
| xref:BloombergLP/bslalg/DequeImpUtil/ValueType.adoc[`ValueType`] 
| `ValueType` is an alias for the `VALUE_TYPE` provided as first template parameter to this class.
|===


== Enums

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslalg/DequeImpUtil/_04enum-01.adoc[`Unnamed enum`] 
| Block size constants for deque blocks.
| xref:BloombergLP/bslalg/DequeImpUtil/_04enum-0e.adoc[`Unnamed enum`] 
| Block array padding constants.
|===



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