[#nlohmann-ordered_map-erase-0b]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/ordered_map.adoc[ordered_map]::erase
:relfileprefix: ../../
:mrdocs:

removes the element with the given key, if it exists

== Synopsis

Declared in `<nlohmann/ordered_map.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:nlohmann/ordered_map/size_type.adoc[size_type]
erase(xref:nlohmann/ordered_map/key_type.adoc[key_type] const& key);
----

== Return Value

number of elements removed (0 or 1)

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key* [in]
| key of the element to remove
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#