[#BloombergLP-bslstl-Variant_HashVisitor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::Variant_HashVisitor
:relfileprefix: ../../
:mrdocs:

This component‐private class is a visitor that is used to implement `hashAppend` for `bsl::variant`.

== Synopsis

Declared in `<bslstl_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_HASHALG>
class Variant_HashVisitor;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Variant_HashVisitor/2constructor.adoc[`Variant_HashVisitor`]         [.small]#[constructor]#
| Create a `Variant_HashVisitor` object that, when invoked, appends to the specified `hashAlg`.
| xref:BloombergLP/bslstl/Variant_HashVisitor/operator_call.adoc[`operator()`] 
| Append the specified `value` (i.e., the alternative that is being visited) to `d_hashAlg`.
|===



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