[#operator_3way-03]
= operator<=>
:mrdocs:

Order two wrapped FeeFracs by feerate, then by reversed size.

== Synopsis

Declared in `<util/feefrac.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::strong_ordering
operator<=>(
    xref:ByRatioNegSize.adoc[ByRatioNegSize] const& a,
    xref:ByRatioNegSize.adoc[ByRatioNegSize] const& b) noexcept;
----

== Return Value

The ordering of a relative to b, comparing feerate first and larger size first on ties.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The first operand.
| *b*
| The second operand.
|===


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