@ Override public ImSortedSet < Entry < K , V > > entrySet ( ) { // This is the pretty way to do it. return this . fold ( PersistentTreeSet . ofComp ( new KeyComparator <> ( comp ) ) , PersistentTreeSet :: put ) ; }
Returns a view of the mappings contained in this map . The set should actually contain UnmodMap . UnEntry items but that return signature is illegal in Java so you ll just have to remember .