[#operator_minus-0d]
= operator‐
:mrdocs:

Returns the distance between two iterators.

== Synopsis

Declared in `<prevector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/iterator/difference_type.adoc[difference_type]
operator‐(
    xref:prevector-0c/iterator.adoc[iterator] a,
    xref:prevector-0c/iterator.adoc[iterator] b);
----

== Return Value

The number of elements between the two iterators.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The left‐hand iterator.
| *b*
| The right‐hand iterator.
|===


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