[#BloombergLP-bslstl-Optional_Base-05-2constructor-01a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional&lowbar;Base]::Optional&lowbar;Base
:relfileprefix: ../../../
:mrdocs:

Create an `Optional&lowbar;Base` object having the value of the specified `original` object&period; Use the currently installed default allocator to supply memory&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;optional&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Optional&lowbar;Base(xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional&lowbar;Base] const& original);
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
