[#BloombergLP-bdlar-ManipulatorWithInfoVtable-ManipulateNullable]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/ManipulatorWithInfoVtable.adoc[ManipulatorWithInfoVtable]::ManipulateNullable
:relfileprefix: ../../../
:mrdocs:

Function pointer type manipulating a nullable‐value reference with field info.

== Synopsis

Declared in `<bdlar_manipulatorvtable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int ManipulateNullable(void const*, xref:BloombergLP/bdlar/NullableValueRef.adoc[NullableValueRef]*, xref:BloombergLP/bdlar/FieldInfoRef.adoc[FieldInfoRef] const&);
----


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