BloombergLP::bdlc::FlatHashSet::insert

Insert the specified key into this set if a key equivalent to k does not already exist in this set; otherwise, this method has no effect. Return a pair containing an iterator referring to the newly inserted element and true if a element was inserted. Return a pair containing an iterator to an existing element and false if the value already existed in the set.

Synopsis

Declared in <bdlc_flathashset.h>

template<class LOOKUP_KEY>
bsl::pair<iterator, bool>
insert(LOOKUP_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

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