[#operator_minus-05]
= operator&hyphen;
:mrdocs:

Returns the distance between two iterators&period;

== Synopsis

Declared in `&lt;prevector&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/const_iterator/difference_type.adoc[difference&lowbar;type]
operator&hyphen;(
    xref:prevector-0c/const_iterator.adoc[const&lowbar;iterator] a,
    xref:prevector-0c/const_iterator.adoc[const&lowbar;iterator] b);
----

== Return Value

The number of elements between the two iterators&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The left&hyphen;hand iterator&period;
| *b*
| The right&hyphen;hand iterator&period;
|===


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