[#nlohmann-ordered_map-at-0db]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered_map]::at
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<nlohmann/ordered_map.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class KeyType>
requires detail::is_usable_as_key_type<key_compare, key_type, KeyType>::value
T const&
at(KeyType&& key) const;
----


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