[#BloombergLP-bdlb-Variant_TypeIndex]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::Variant_TypeIndex
:relfileprefix: ../../
:mrdocs:

Component‐private meta‐function. Do not use. This meta‐function computes the index of the template parameter `TYPE` in the template parameter list of `TYPES`.

== Synopsis

Declared in `<bdlb_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class TYPES,
    class TYPE>
struct Variant_TypeIndex;
----

== Enums

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/Variant_TypeIndex/_04enum.adoc[`Unnamed enum`] 
| Compile‐time index of `TYPE` within `TYPES`, or 0 if not found.
|===



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