[#BloombergLP-bdlt-hashAppend-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::hashAppend
:relfileprefix: ../../
:mrdocs:

Invoke the specified `hashAlg` on the specified `object`.

== Synopsis

Declared in `<bdlt_datetime.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class HASHALG>
void
hashAppend(
    HASHALG& hashAlg,
    xref:BloombergLP/bdlt/Datetime.adoc[Datetime] const& object);
----

== Description

Pass the specified `object` to the specified `hashAlg`. This function integrates with the `bslh` modular hashing system and effectively provides a `bsl::hash` specialization for `Datetime`.

== Parameters

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


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