[#BloombergLP-bslstl-SharedPtr_IsNullableFactory]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::SharedPtr&lowbar;IsNullableFactory
:relfileprefix: ../../
:mrdocs:

Trait detecting whether `FACTORY` accepts a null pointer in `deleteObject`&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class FACTORY&gt;
struct SharedPtr&lowbar;IsNullableFactory;
----

== Description

Forward declaration of component&hyphen;private type trait to indicate whether a pointer to a `FACTORY` has a `deleteObject` member that can be called as `factory&hyphen;&gt;deleteObject(nullptr)`&period;

== Enums

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/SharedPtr_IsNullableFactory/_04enum.adoc[`Unnamed enum`] 
| Compile&hyphen;time constant indicating whether `FACTORY` is a nullable factory&period;
|===



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