[#BloombergLP-bslstl-Variant_Union-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::Variant_Union
:relfileprefix: ../../
:mrdocs:

This component‐private union can hold a `Variant_DataImp` object for any alternative in (template parameters) `t_TYPES...`. The primary template is used when `t_TYPES...` is empty.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class... t_TYPES>
union Variant_Union;
----

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Variant_Union-0d.adoc[`Variant_Union<t_HEAD, t_TAIL...>`] 
| This partial specialization uses template recursion because C++ does not support member packs.
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#