[#indirectmap-count]
= xref:indirectmap.adoc[indirectmap]::count
:relfileprefix: ../
:mrdocs:

Count the entries whose key dereferences to the given value.

== Synopsis

Declared in `<indirectmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:indirectmap/size_type.adoc[size_type]
count(K const& key) const;
----

== Return Value

The number of matching entries (0 or 1).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| The value whose address is used as the lookup key.
|===


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