[#btck-Iterator-operator_plus_eq]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::operator+=
:relfileprefix: ../../
:mrdocs:

Advances the iterator by `n` positions.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto&
operator+=(xref:btck/Iterator/difference_type.adoc[difference_type] n);
----

== Return Value

A reference to this iterator.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *n*
| The number of positions to advance.
|===


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