[#BloombergLP-bslmt-Once-isMaybeUninitialized]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/Once.adoc[Once]::isMaybeUninitialized
:relfileprefix: ../../../
:mrdocs:

Return `true` if this object may not be in the &quot;done&quot; state (that is, `leave` has not been called)&period;

== Synopsis

Declared in `&lt;bslmt&lowbar;once&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isMaybeUninitialized() const;
----

== Return Value

`true` if this object may not be in the &quot;done&quot; state, and `false` otherwise


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