bsl::unordered_set::contains

Synopses

Declared in <bslstl_unorderedset.h>

Return whether this unordered set contains key.

bool
contains(key_type const& key) const;

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

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;

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