[#cluster_linearize-DepGraph-FeeRate-01]
= xref:cluster_linearize.adoc[cluster_linearize]::xref:cluster_linearize/DepGraph.adoc[DepGraph]::FeeRate
:relfileprefix: ../../
:mrdocs:

Get the mutable feerate of a given transaction i. Complexity: O(1).

== Synopsis

Declared in `<cluster_linearize.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:FeeFrac.adoc[FeeFrac]&
FeeRate(xref:cluster_linearize/DepGraphIndex.adoc[DepGraphIndex] i) noexcept;
----

== Return Value

A mutable reference to the transaction's fee and size.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *i*
| The transaction position to query.
|===


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