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

A concept matching all quantities in the library

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
concept Quantity = detail::is_derived_from_specialization_of_quantity<T>;
----

== Description

Satisfied by all types being a either specialization or derived from `quantity`


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