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

A concept matching all quantity specifications of a provided quantity spec value

== Synopsis

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

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

== Description

Satisfied by all quantity specifications that are implicitly convertible to the provided `QS` value.


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