[#mp_units-utility-detail-dynamic_spec_id_handler-on_auto]
= xref:mp_units.adoc[mp&lowbar;units]::xref:mp_units/utility.adoc[utility]::xref:mp_units/utility/detail.adoc[detail]::xref:mp_units/utility/detail/dynamic_spec_id_handler.adoc[dynamic&lowbar;spec&lowbar;id&lowbar;handler]::on&lowbar;auto
:relfileprefix: ../../../../
:mrdocs:

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;utility&sol;format&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
void
on&lowbar;auto();
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
