[#BloombergLP-bdld-ManagedDatum-2constructor-002]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/ManagedDatum.adoc[ManagedDatum]::ManagedDatum
:relfileprefix: ../../../
:mrdocs:

Create a `ManagedDatum` object having the default (null) value&period;

== Synopsis

Declared in `&lt;bdld&lowbar;manageddatum&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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ManagedDatum();
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== Description

Calling `isNull` on the resulting managed `Datum` object returns `true`&period;


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