[#BloombergLP-bsltf-StdAllocatorAdaptor-2constructor-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsltf.adoc[bsltf]::xref:BloombergLP/bsltf/StdAllocatorAdaptor.adoc[StdAllocatorAdaptor]::StdAllocatorAdaptor
:relfileprefix: ../../../
:mrdocs:

Create a standard allocator adaptor object from the null pointer constant&period;

== Synopsis

Declared in `&lt;bsltf&lowbar;stdallocatoradaptor&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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explicit
StdAllocatorAdaptor(xref:bsl/nullptr_t-08.adoc[bsl::nullptr&lowbar;t]);
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