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

Constructs an empty filter.

== Synopsis

Declared in `<blockfilter.h>`

[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‐Rice coding parameters.
|===


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