[#BloombergLP-bslstl-Variant_IsTag-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Variant_IsTag-01.adoc[Variant_IsTag]<std::allocator_arg_t>
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct xref:BloombergLP/bslstl/Variant_IsTag-01.adoc[Variant_IsTag]<std::allocator_arg_t>
    : xref:bsl/true_type.adoc[bsl::true_type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/true_type.adoc[bsl::true_type]`
| Metafunction representing the boolean constant `true`.
|===


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