Merge two sorted sequences as a new sorted sequence. Take two sorted sequences to be treated as sets, then generate the result of applying a set operation.
lazilyMerge(_:_:keeping:sortedBy)lazilyMerge(_:_:keeping:)merge(_:_:keeping:sortedBy)merge(_:_:keeping:)Swift/MutableCollection/mergePartitions(across:sortedBy:)Swift/MutableCollection/mergePartitions(across:)
MergerSubsetMergedSequenceMergingIterator