[#BloombergLP-bdlar-VtableUtil_ByCategory-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::VtableUtil_ByCategory
:relfileprefix: ../../
:mrdocs:

Metafunction mapping a `bdlat` type category tag to its corresponding vtable utility type.

== Synopsis

Declared in `<bdlar_vtableutil.h>`

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

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-036.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::Array>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::Array`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-02.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::Choice>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::Choice`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-0c.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::CustomizedType>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::CustomizedType`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-03f.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::DynamicType>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::DynamicType`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-09.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::Enumeration>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::Enumeration`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-08.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::NullableValue>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::NullableValue`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-04.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::Sequence>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::Sequence`.
| xref:BloombergLP/bdlar/VtableUtil_ByCategory-01.adoc[`VtableUtil_ByCategory<bdlat_TypeCategory::Simple>`] 
| Specialization of `VtableUtil_ByCategory` for `bdlat_TypeCategory::Simple`.
|===



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