[#std-hash-038-operator_call]
= xref:std.adoc[std]::xref:std/hash-038.adoc[hash&lt;CTransactionRef&gt;]::operator()
:relfileprefix: ../../
:mrdocs:

Deleted call operator, disabling hashing of a CTransactionRef&period;

== Synopsis

Declared in `&lt;primitives&sol;transaction&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size&lowbar;t
operator()(xref:CTransactionRef.adoc[CTransactionRef] const& ref) const = delete;
----

== Return Value

Nothing&semi; this operator is deleted&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ref*
| The transaction reference that would be hashed&period;
|===


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