[#mp_units-quantity-01-operator_star_eq-01]
= xref:mp_units.adoc[mp_units]::xref:mp_units/quantity-01.adoc[quantity]::operator*=
:relfileprefix: ../../
:mrdocs:

Multiplication assignment operators

== Synopses

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

Multiplication assignment operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template</* implementation-defined */ Q2>
requires detail::ScalarValuePreservingTo<typename Q2::rep, rep> && requires(rep& a, const Q2::rep b) {
      { a *= b } ‐> std::same_as<rep&>;
    }
constexpr
xref:mp_units/quantity-01.adoc[quantity]&
xref:mp_units/quantity-01/operator_star_eq-0c.adoc[operator*=](Q2 const& other) &;
----

[.small]#xref:mp_units/quantity-01/operator_star_eq-0c.adoc[_» more..._]#

Multiplication assignment operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template</* implementation-defined */ Value>
requires requires(rep& a, const Value b) {
      { a *= b } ‐> std::same_as<rep&>;
    }
constexpr
xref:mp_units/quantity-01.adoc[quantity]&
xref:mp_units/quantity-01/operator_star_eq-07.adoc[operator*=](Value const& val) &;
----

[.small]#xref:mp_units/quantity-01/operator_star_eq-07.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#