[#GCSFilter-2constructor-08]
= xref:GCSFilter.adoc[GCSFilter]::GCSFilter
:relfileprefix: ../
:mrdocs:

Constructs an empty filter&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
GCSFilter(xref:GCSFilter/Params.adoc[Params] const& params = Params());
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *params*
| The SipHash keys and Golomb&hyphen;Rice coding parameters&period;
|===


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