[#BloombergLP-bslstl-Variant_HashVisitor-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Variant_HashVisitor.adoc[Variant&lowbar;HashVisitor]::Variant&lowbar;HashVisitor
:relfileprefix: ../../../
:mrdocs:

Create a `Variant&lowbar;HashVisitor` object that, when invoked, appends to the specified `hashAlg`&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;variant&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
Variant&lowbar;HashVisitor(t&lowbar;HASHALG& hashAlg);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hashAlg*
| hashing algorithm object to append to
|===


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