[#bsl-hashAppend-070]
= xref:bsl.adoc[bsl]::hashAppend
:relfileprefix: ../
:mrdocs:

Pass the specified `input` to the specified `hashAlg`

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class HASHALG,
    class T1,
    class T2&gt;
void
hashAppend(
    HASHALG& hashAlg,
    xref:bsl/pair-0b.adoc[pair&lt;T1, T2&gt;] const& input);
----


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