[#mp_units-operator_plus-00]
= xref:mp_units.adoc[mp_units]::operator+
:relfileprefix: ../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    xref:mp_units/ReferenceOf.adoc[ReferenceOf<PO._quantity_spec_>] auto R1,
    typename Rep1,
    std::derived_from<quantity_point> QP>
[[nodiscard]]
constexpr
xref:mp_units/QuantityPoint.adoc[QuantityPoint] auto
operator+(
    xref:mp_units/quantity-01.adoc[quantity<R1, Rep1>] const& q,
    QP const& qp)
requires requires { q + qp.quantity_ref_from(PO); };
----


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