[#BloombergLP-bdlb-Variant19-2constructor-0e2]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Variant19.adoc[Variant19]::Variant19
:relfileprefix: ../../../
:mrdocs:

Create a variant object in the unset state that uses the currently installed default allocator to supply memory.

== Synopsis

Declared in `<bdlb_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Variant19();
----


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