[#mp_units-operator_star-009]
= xref:mp_units.adoc[mp_units]::operator*
:relfileprefix: ../
:mrdocs:

Multiplication operator

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FwdRep,
    xref:mp_units/Reference.adoc[Reference] R,
    xref:mp_units/RepresentationOf.adoc[RepresentationOf<get_quantity_spec(R{})>] Rep = std::remove_cvref_t<FwdRep>>
requires (!detail::OffsetUnit<decltype(get_unit(R{}))>)
[[nodiscard]]
constexpr
xref:mp_units/quantity-01.adoc[quantity<R{}, Rep>]
operator*(
    FwdRep&& lhs,
    R r);
----

== Return Value

A quantity

== Parameters

[cols=2]
|===
| Name
| Description
| *lhs*
| The left operand
| *r*
| The right operand
|===


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