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

A concept matching all quantity points of the provided property

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename QP,
    auto V>
concept QuantityPointOf = QuantityPoint<QP> && (ReferenceOf<MP_UNITS_NONCONST_TYPE(QP::reference), V> ||
                        detail::SameAbsolutePointOriginAs<MP_UNITS_NONCONST_TYPE(QP::absolute_point_origin), V>);
----

== Description

Satisfied by all quantity points with a quantity_spec being the instantiation derived from the provided quantity_spec type, or quantity points having the origin with the same `absolute_point_origin`.


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