Return the number of elements equivalent to key.

Synopses

Declared in <bslstl_unorderedmultiset.h>

Return the number of elements equivalent to key.

unordered_multiset<KEY, HASH, EQUAL, ALLOCATOR>::size_type
count(key_type const& key) const;

» more...

Return the number of elements equivalent to key.

template<class LOOKUP_KEY>
size_type
count(LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
        && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

» more...

Return Value

number of elements equivalent to key

Parameters

Name

Description

key

key value to count

Created with MrDocs