[#BloombergLP-bslstl-Variant_VTableId-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Variant_VTableId-05.adoc[Variant_VTableId]<t_RET, t_VISITOR, t_VARIANT, xref:BloombergLP/bslmf/IntegerSequence.adoc[bslmf::IntegerSequence<std::size_t, t_INDICES...>]>
:relfileprefix: ../../
:mrdocs:

In order to allow for perfect forwarding, both t_VISITOR and t_VARIANT must be of reference type. If they are not, something went wrong.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_RET,
    class t_VISITOR,
    class t_VARIANT,
    size_t t_INDICES...>
struct xref:BloombergLP/bslstl/Variant_VTableId-05.adoc[Variant_VTableId]<t_RET, t_VISITOR, t_VARIANT, xref:BloombergLP/bslmf/IntegerSequence.adoc[bslmf::IntegerSequence<std::size_t, t_INDICES...>]>;
----

== Type Aliases

[cols="1"]
|===
| Name
| xref:BloombergLP/bslstl/Variant_VTableId-01/FuncPtr.adoc[`FuncPtr`] 
|===


== Static Data Members

[cols="1"]
|===
| Name
| xref:BloombergLP/bslstl/Variant_VTableId-01/s_mapId.adoc[`s_mapId`] 
|===



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