[#HashWriter-GetCheapHash]
= xref:HashWriter.adoc[HashWriter]::GetCheapHash
:relfileprefix: ../
:mrdocs:

Returns the first 64 bits from the resulting hash&period;

== Synopsis

Declared in `&lt;hash&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64&lowbar;t
GetCheapHash();
----

== Return Value

The low 64 bits of the double&hyphen;SHA&hyphen;256 hash&period;


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