[#bsl-variant_alternative-0c]
= xref:bsl.adoc[bsl]::variant_alternative
:relfileprefix: ../
:mrdocs:

This metafunction calculates the type of the alternative whose index is (template parameter) `t_INDEX` in the possibly cv‐qualified `bsl::variant` type of (template parameter) `t_TYPE`. If `t_TYPE` is cv‐qualified, its cv‐qualifiers are applied to the alternative.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    std::size_t t_INDEX,
    class t_TYPE>
struct variant_alternative;
----

== Specializations

[cols="1"]
|===
| Name
| xref:bsl/variant_alternative-09.adoc[`variant_alternative<t_INDEX, t_TYPE volatile>`] 
| xref:bsl/variant_alternative-0d.adoc[`variant_alternative<t_INDEX, t_TYPE const>`] 
| xref:bsl/variant_alternative-0f.adoc[`variant_alternative<t_INDEX, t_TYPE const volatile>`] 
| xref:bsl/variant_alternative-06.adoc[`variant_alternative<t_INDEX, variant<t_HEAD, t_TAIL...>>`] 
|===



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