[#BloombergLP-bdlb-hashAppend-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::hashAppend
:relfileprefix: ../../
:mrdocs:

Invoke the specified `hashAlgorithm` on the attributes of the specified `object`&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;indexspan&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class HASH&lowbar;ALGORITHM&gt;
void
hashAppend(
    HASH&lowbar;ALGORITHM& hashAlgorithm,
    xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan] const& object);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hashAlgorithm*
| hashing algorithm to update
| *object*
| index span to hash
|===


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