[#BloombergLP-bslstl-SharedPtr_IsNullableFactory]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::SharedPtr_IsNullableFactory
:relfileprefix: ../../
:mrdocs:

Trait detecting whether `FACTORY` accepts a null pointer in `deleteObject`.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class FACTORY>
struct SharedPtr_IsNullableFactory;
----

== Description

Forward declaration of component‐private type trait to indicate whether a pointer to a `FACTORY` has a `deleteObject` member that can be called as `factory‐>deleteObject(nullptr)`.

== Enums

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



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