[#BloombergLP-bslstl-Optional_Data-09-_10using] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Data-09.adoc[Optional_Data<t_TYPE, true>]::Unnamed using :relfileprefix: ../../../ :mrdocs: == Synopsis Declared in `<bslstl_optional.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- using Optional_DataImp<t_TYPE>::; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#