[#BloombergLP-bslalg-_04enum]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::Unnamed enum
:relfileprefix: ../../
:mrdocs:

Trait‐tag constants used to select `DequePrimitives` overloads.

== Synopsis

Declared in `<bslalg_dequeprimitives.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum Unnamed enum;
----

== Description

These constants are used in the overloads below, when the last argument is of type `bsl::integral_constant<int, N>`, indicating that `VALUE_TYPE` has the traits for which the enumerator equal to `N` is named. Workaround for Windows: the Windows compiler refuses to recognize enum declarations within a class template.

== Members

[cols="1,4"]
|===
| Name| Description
| `BSLALG_DEQUEPRIMITIVES_NIL_TRAITS` 
| Tag indicating `VALUE_TYPE` has no special optimized traits.
| `BSLALG_DEQUEPRIMITIVES_BITWISE_MOVEABLE_TRAITS` 
| Tag indicating `VALUE_TYPE` has bitwise‐moveable traits.
| `BSLALG_DEQUEPRIMITIVES_BITWISE_COPYABLE_TRAITS` 
| Tag indicating `VALUE_TYPE` has bitwise‐copyable traits.
| `BSLALG_DEQUEPRIMITIVES_NON_NIL_TRAITS` 
| Tag indicating `VALUE_TYPE` has at least one non‐nil trait.
|===



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