[#BloombergLP-bslma-UsesBslmaAllocator-0d4]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator]<xref:BloombergLP/bslstl/Optional_Base-05.adoc[bslstl::Optional_Base<t_TYPE, false>]>
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator]<xref:BloombergLP/bslstl/Optional_Base-05.adoc[bslstl::Optional_Base<t_TYPE, false>]>
    : xref:bsl/false_type.adoc[bsl::false_type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/false_type.adoc[bsl::false_type]`
| Metafunction representing the boolean constant `false`.
|===


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