[#mp_units-operator_plus-0a0]
= xref:mp_units.adoc[mp_units]::operator+
:relfileprefix: ../
:mrdocs:

Addition operator

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FwdQ,
    xref:mp_units/PointOrigin.adoc[PointOrigin] PO,
    xref:mp_units/Quantity-0c.adoc[Quantity] Q = std::remove_cvref_t<FwdQ>>
requires PointOriginFor<PO, Q::quantity_spec>
[[nodiscard]]
constexpr
xref:mp_units/QuantityPoint.adoc[QuantityPoint] auto
operator+(
    FwdQ&& q,
    PO po);
----

[NOTE]
====
This function is a https://en.cppreference.com/w/cpp/language/friend[hidden friend] of xref:mp_units/absolute_point_origin.adoc[absolute_point_origin], declared inside an implementation-defined base class: it can be found only through argument-dependent lookup.
====

== Return Value

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *q*
| The left operand
| *po*
| The right operand
|===


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