[#node-IteratorComparator]
= xref:node.adoc[node]::IteratorComparator
:relfileprefix: ../
:mrdocs:

Comparator ordering map iterators by their key, for use in ordered sets of iterators&period;

== Synopsis

Declared in `&lt;node&sol;mini&lowbar;miner&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct IteratorComparator;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:node/IteratorComparator/operator_call.adoc[`operator()`] 
| Order two map iterators by their key&period;
|===



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