[#BloombergLP-bdlb-nullableValue_acceptsStdOptional]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::nullableValue&lowbar;acceptsStdOptional
:relfileprefix: ../../
:mrdocs:

Component&hyphen;private constraint helper for `std&colon;&colon;optional` conversion&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;nullablevalue&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class t&lowbar;TYPE&gt;
void
nullableValue&lowbar;acceptsStdOptional(std::optional&lt;t&lowbar;TYPE&gt; const&);
----


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