[#CFeeRate-operator_plus_eq]
= xref:CFeeRate.adoc[CFeeRate]::operator+=
:relfileprefix: ../
:mrdocs:

Add another fee rate to this one.

== Synopsis

Declared in `<policy/feerate.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CFeeRate.adoc[CFeeRate]&
operator+=(xref:CFeeRate.adoc[CFeeRate] const& a);
----

== Return Value

Reference to this fee rate after addition.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Fee rate to add.
|===


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