bsl::unordered_multiset::contains

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