[#BloombergLP-bslstl-Variant_Union-0d-2constructor-00] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Variant_Union-0d.adoc[Variant_Union<t_HEAD, t_TAIL...>]::Variant_Union :relfileprefix: ../../../ :mrdocs: Create a `Variant_Union` object having no active alternative. == Synopsis Declared in `<bslstl_variant.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- Variant_Union() = default; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#