[#SaltedWtxidHasher-operator_call]
= xref:SaltedWtxidHasher.adoc[SaltedWtxidHasher]::operator()
:relfileprefix: ../
:mrdocs:

Compute the salted hash of a witness transaction id.

== Synopsis

Declared in `<util/hasher.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
operator()(xref:Wtxid.adoc[Wtxid] const& wtxid) const;
----

== Return Value

The salted SipHash of the witness transaction id.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *wtxid*
| The witness transaction id to hash.
|===


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