[#BloombergLP-bslh-hashAppend-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslh.adoc[bslh]::hashAppend
:relfileprefix: ../../
:mrdocs:

Invoke `hashAppend`, with the specified `algorithm`, on each element of the specified `input` in order of increasing index as defined by `std&colon;&colon;get`&period;

== Synopsis

Declared in `&lt;bslh&lowbar;hashtuple&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class HASH&lowbar;ALGORITHM,
    class&period;&period;&period; TYPE&gt;
void
hashAppend(
    HASH&lowbar;ALGORITHM& algorithm,
    std::tuple&lt;TYPE&period;&period;&period;&gt; const& input);
----


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