[#prevector-0c-const_iterator-operator_minus_eq]
= xref:prevector-0c.adoc[prevector]::xref:prevector-0c/const_iterator.adoc[const_iterator]::operator‐=
:relfileprefix: ../../
:mrdocs:

Moves this iterator back by `n` elements.

== Synopsis

Declared in `<prevector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/const_iterator.adoc[const_iterator]&
operator‐=(xref:prevector-0c/size_type.adoc[size_type] n);
----

== Return Value

A reference to this iterator.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *n*
| The number of elements to move back by.
|===


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