[#GCSFilter-2constructor-06]
= xref:GCSFilter.adoc[GCSFilter]::GCSFilter
:relfileprefix: ../
:mrdocs:

Reconstructs an already‐created filter from an encoding.

== Synopsis

Declared in `<blockfilter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
GCSFilter(
    xref:GCSFilter/Params.adoc[Params] const& params,
    std::vector<unsigned char> encoded_filter,
    bool skip_decode_check);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *params*
| The SipHash keys and Golomb‐Rice coding parameters.
| *encoded_filter*
| The serialized filter contents to decode.
| *skip_decode_check*
| If true, skip validating the encoded contents.
|===


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