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

A concept matching all references of the provided quantity spec

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    auto QS>
concept ReferenceOf = Reference<T> && QuantitySpec<MP_UNITS_REMOVE_CONST(decltype(QS))> &&
                      QuantitySpecOf<decltype(get_quantity_spec(T{})), QS>;
----

== Description

Satisfied by all references for which `QuantitySpecOf<QS>` is true.


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