[#BloombergLP-balcl-TypeInfo-isOptionalLinkedVariable]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/TypeInfo.adoc[TypeInfo]::isOptionalLinkedVariable
:relfileprefix: ../../../
:mrdocs:

Return `true` if the described option has a linked variable and that variable is a `bsl::optional` object, and `false` otherwise.

== Synopsis

Declared in `<balcl_typeinfo.h>`

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


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