[#mp_units-UnitOf]
= xref:mp_units.adoc[mp_units]::UnitOf
:relfileprefix: ../
:mrdocs:

A concept matching all units associated with the provided quantity spec

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename U,
    auto QS>
concept UnitOf = MP_UNITS_ASSOCIATED_UNIT<U> && QuantitySpec<MP_UNITS_REMOVE_CONST(decltype(QS))> &&
  (implicitly_convertible(get_quantity_spec(U{}), QS) ||
   (unsatisfied<"Unit '{}' is associated with quantity of kind '{}' which is not convertible to the '{}' quantity">(
     U{}, type_name(get_quantity_spec(U{})._quantity_spec_), type_name(QS))));
----

== Description

Satisfied by all units for which an associated quantity spec is implicitly convertible to the provided `QS` value.


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