[#nlohmann-ordered_map-insert-0d]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered_map]::insert
:relfileprefix: ../../
:mrdocs:

inserts an element if the key does not already exist

== Synopsis

Declared in `<nlohmann/ordered_map.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::pair<iterator, bool>
insert(xref:nlohmann/ordered_map/value_type.adoc[value_type] const& value);
----

== Return Value

pair of an iterator to the (possibly pre‐existing) element and a bool that is true if the insertion took place

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value* [in]
| key‐value pair to insert
|===


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