[#bsl-unordered_multimap-0b0-count-09]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_multimap-0b0.adoc[unordered_multimap]::count
:relfileprefix: ../../
:mrdocs:

`count` overloads

== Synopses

Declared in `<bslstl_unorderedmultimap.h>`

Return the number of `value_type` objects in this unordered multimap with a key equivalent to the specified `key`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_multimap-0b0/size_type.adoc[unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::size_type]
xref:bsl/unordered_multimap-0b0/count-0f.adoc[count](xref:bsl/unordered_multimap-0b0/key_type.adoc[key_type] const& key) const;
----

[.small]#xref:bsl/unordered_multimap-0b0/count-0f.adoc[_» more..._]#

Return the number of `value_type` objects in this unordered multimap with a key equivalent to the specified `key`. The behavior is undefined unless `key` is equivalent to the key of the elements of at most one equivalent‐key group in this unordered multimap.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class LOOKUP_KEY>
xref:bsl/unordered_multimap-0b0/size_type.adoc[size_type]
xref:bsl/unordered_multimap-0b0/count-06.adoc[count](LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
        && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
----

[.small]#xref:bsl/unordered_multimap-0b0/count-06.adoc[_» more..._]#


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