[#BloombergLP-bdlm-MetricsRegistryRegistrationHandle-operator_assign]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlm.adoc[bdlm]::xref:BloombergLP/bdlm/MetricsRegistryRegistrationHandle.adoc[MetricsRegistryRegistrationHandle]::operator=
:relfileprefix: ../../../
:mrdocs:

Unregister the metric collection callback associated with this handle (if `isRegistered` is `true`). Take an ownership on the metric collection callback registration associated with the specified `original` handle. Afterwards, `original` will no longer manage the registration, and `original.isRegistered()` will be `false`.

== Synopsis

Declared in `<bdlm_metricsregistry.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlm/MetricsRegistryRegistrationHandle.adoc[MetricsRegistryRegistrationHandle]&
operator=(xref:BloombergLP/bslmf/MovableRef.adoc[bslmf::MovableRef<MetricsRegistryRegistrationHandle>] original) noexcept;
----


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