[#bsl-variant_size_v]
= xref:bsl.adoc[bsl]::variant_size_v
:relfileprefix: ../
:mrdocs:

This variable template represents the result value of the `bsl::variant_size` metafunction.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_BSL_VARIANT>
inline constexpr std::size_t variant_size_v = variant_size<t_BSL_VARIANT>::value;
----


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