[#btck-UniqueHandle-0da-Deleter-operator_call]
= xref:btck.adoc[btck]::xref:btck/UniqueHandle-0da.adoc[UniqueHandle]::xref:btck/UniqueHandle-0da/Deleter.adoc[Deleter]::operator()
:relfileprefix: ../../../
:mrdocs:

Destroys `ptr` via the configured C destroy function&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
operator()(CType* ptr) const noexcept;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| The C handle to destroy (may be null)&period;
|===


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