[#BloombergLP-bdlb-FunctionOutputIterator-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/FunctionOutputIterator.adoc[FunctionOutputIterator]::FunctionOutputIterator
:relfileprefix: ../../../
:mrdocs:

Create a default `FunctionOutputIterator` object&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;functionoutputiterator&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
FunctionOutputIterator();
----

== Description

Create a `FunctionOutputIterator` object that, when an assignment is performed on the dereferenced object, will call a default constructed instance of the (template parameter) type `FUNCTION` passing the assigned value as the argument&period; Note that if `FUNCTION` is a function pointer type, then the default constructed `FUNCTION` will be 0, and the behavior when assigning to a dereferenced iterator will be undefined&period;


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