[#nlohmann-ordered_map-key_compare]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered&lowbar;map]::key&lowbar;compare
:relfileprefix: ../../
:mrdocs:

the comparison function used to determine whether two keys are equal

== Synopsis

Declared in `&lt;nlohmann&sol;ordered&lowbar;map&period;hpp&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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using key&lowbar;compare = std::equal&lowbar;to&lt;&gt;;
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