[#BloombergLP-bdlcc-TimeQueue-091-isRegisteredHandle-0f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/TimeQueue-091.adoc[TimeQueue<function<void()>>]::isRegisteredHandle
:relfileprefix: ../../../
:mrdocs:

Return `true` if an item having specified `handle` is currently registered with this time queue and false otherwise.

== Synopsis

Declared in `<bdlcc_timequeue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isRegisteredHandle(xref:BloombergLP/bdlcc/TimeQueue-09c/Handle.adoc[Handle] handle) const;
----


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