[#BloombergLP-bslh-hashAppend-03c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslh.adoc[bslh]::hashAppend
:relfileprefix: ../../
:mrdocs:

Invoke `hashAppend` with the specified `algorithm` as the first argument and the result of applying an unspecified function to the specified `tid` as the second argument&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class t&lowbar;HASH&lowbar;ALG&gt;
void
hashAppend(
    t&lowbar;HASH&lowbar;ALG& algorithm,
    std::thread::id const& tid);
----


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