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

Add fee and size of another FeeFrac to this one.

== Synopsis

Declared in `<util/feefrac.h>`

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *other*
| The FeeFrac whose fee and size are added to this one.
|===


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