Return whether this unordered multiset contains key.

Synopsis

Declared in <bslstl_unorderedmultiset.h>

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

Description

Return true if this unordered multiset contains an element whose key is equivalent to the specified key.

Return Value

true if present, otherwise false

Parameters

Name

Description

key

key value to look up

Created with MrDocs