[#nlohmann-ordered_map-operator_subs-04]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered&lowbar;map]::operator&lsqb;&rsqb;
:relfileprefix: ../../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
T const&
operator&lsqb;&rsqb;(xref:nlohmann/ordered_map/key_type.adoc[key&lowbar;type] const& key) const;
----


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