[#mp_units-OverflowPolicy]
= xref:mp_units.adoc[mp&lowbar;units]::OverflowPolicy
:relfileprefix: ../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename EP&gt;
concept OverflowPolicy = requires(std&colon;&colon;string&lowbar;view msg) &lcub; EP&colon;&colon;on&lowbar;overflow(msg)&semi; &rcub;;
----


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