[#mp_units-get_common_unit-08c]
= xref:mp_units.adoc[mp_units]::get_common_unit
:relfileprefix: ../
:mrdocs:

Computes the common unit of a single new unit and a `common_unit` compound

== Synopsis

Declared in `<mp‐units/framework/unit_conversion.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    xref:mp_units/Unit.adoc[Unit]... Us,
    /* implementation-defined */ NewUnit>
[[nodiscard]]
consteval
xref:mp_units/Unit.adoc[Unit] auto
get_common_unit(
    NewUnit nu,
    xref:mp_units/common_unit.adoc[common_unit<Us...>] cu);
----

== Return Value

the common unit obtained by merging `nu` into `cu's` unit list

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *nu*
| the single unit
| *cu*
| the `common_unit` compound
|===


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