[#BloombergLP-bdlb-Variant18-2constructor-05]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Variant18.adoc[Variant18]::Variant18
:relfileprefix: ../../../
:mrdocs:

Create a variant with the type and value of `original`.

== Synopsis

Declared in `<bdlb_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Variant18(
    xref:BloombergLP/bdlb/Variant18.adoc[Variant18] const& original,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *original*
| source variant to copy or move from
| *basicAllocator*
| allocator used to supply memory
|===


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