[#BloombergLP-bslstl-Optional_Base-08-2constructor-0db]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-08.adoc[Optional_Base<t_TYPE, false>]::Optional_Base
:relfileprefix: ../../../
:mrdocs:

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Optional_Base(
    std::allocator_arg_t,
    xref:BloombergLP/bslstl/Optional_Base-08/AllocType.adoc[AllocType],
    xref:bsl/nullopt_t.adoc[bsl::nullopt_t]);
----


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