[#mp_units-utility-safe_int-07-operator_inc-0ef]
= xref:mp_units.adoc[mp&lowbar;units]::xref:mp_units/utility.adoc[utility]::xref:mp_units/utility/safe_int-07.adoc[safe&lowbar;int]::operator&plus;&plus;
:relfileprefix: ../../../
:mrdocs:

Post&hyphen;increments the wrapped value, reacting to `ErrorPolicy` on overflow&period;

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;utility&sol;safe&lowbar;int&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:mp_units/utility/safe_int-07.adoc[safe&lowbar;int]
operator&plus;&plus;(int tag);
----

== Return Value

a copy of `&ast;this`, before the increment

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tag*
| unused tag parameter that distinguishes this postfix form from the prefix `operator&plus;&plus;()`
|===


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