[#bsl-Deque_BlockLengthCalcUtil]
= xref:bsl.adoc[bsl]::Deque_BlockLengthCalcUtil
:relfileprefix: ../
:mrdocs:

This `struct` provides a namespace for the calculation of block length (the number of elements per block within a `deque`). This ensures that each block in the deque can hold at least 16 elements.

== Synopsis

Declared in `<bslstl_deque.h>`

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

== Enums

[cols="1,4"]
|===
| Name| Description
| xref:bsl/Deque_BlockLengthCalcUtil/_04enum.adoc[`Unnamed enum`] 
| Undocumented symbol.
|===



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