[#BloombergLP-bdlb-operator_plus-0f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator+
:relfileprefix: ../../
:mrdocs:

Return a copy of `iterator` advanced by the specified `offset`.

== Synopsis

Declared in `<bdlb_transformiterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class FUNCTOR,
    class ITERATOR>
xref:BloombergLP/bdlb/TransformIterator.adoc[bdlb::TransformIterator<FUNCTOR, ITERATOR>]
operator+(
    TransformIterator<FUNCTOR, ITERATOR>::difference_type offset,
    xref:BloombergLP/bdlb/TransformIterator.adoc[TransformIterator<FUNCTOR, ITERATOR>] const& iterator);
----

== Description

Return a copy of the specified `iterator` object with its underlying iterator advanced by the specified (signed) `offset` from that of `iterator`. The behavior is undefined if so advancing the underlying iterator is undefined.

== Return Value

a copy of `iterator` advanced by `offset`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *offset*
| signed distance to advance
| *iterator*
| transform iterator to advance
|===


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