[#btck-Iterator-operator_3way]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::operator<=>
:relfileprefix: ../../
:mrdocs:

Orders two iterators by index.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
operator<=>(xref:btck/Iterator.adoc[Iterator] const& other) const;
----

== Return Value

The three‐way comparison of the two indices.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *other*
| The iterator to compare against.
|===


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