[#absl-Duration-operator_star_eq-0a9]
= xref:absl.adoc[absl]::xref:absl/Duration.adoc[Duration]::operator*=
:relfileprefix: ../../
:mrdocs:

Multiplication assignment operators

== Synopses

Declared in `<absl/time/time.h>`

Multiplies this duration by a floating‐point factor.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/Duration.adoc[Duration]&
xref:absl/Duration/operator_star_eq-0a8.adoc[operator*=](double r);
----

[.small]#xref:absl/Duration/operator_star_eq-0a8.adoc[_» more..._]#

Multiplies this duration by an integer factor.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/Duration.adoc[Duration]&
xref:absl/Duration/operator_star_eq-0e.adoc[operator*=](int64_t r);
----

[.small]#xref:absl/Duration/operator_star_eq-0e.adoc[_» more..._]#

Multiplies this duration by a floating‐point factor, forwarding to the `double` overload.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    /* implementation-defined */ = 0>
xref:absl/Duration.adoc[Duration]&
xref:absl/Duration/operator_star_eq-05.adoc[operator*=](T r);
----

[.small]#xref:absl/Duration/operator_star_eq-05.adoc[_» more..._]#

Multiplies this duration by an integral factor, forwarding to the `int64_t` overload.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    /* implementation-defined */ = 0>
xref:absl/Duration.adoc[Duration]&
xref:absl/Duration/operator_star_eq-02.adoc[operator*=](T r);
----

[.small]#xref:absl/Duration/operator_star_eq-02.adoc[_» more..._]#

== Return Value

A reference to this duration.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *r*
| The factor to multiply by.
|===


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