hasNext
BufferedGroupedLazySeq
iterator
BufferedLazySeqIterator
IteratorLazySeq
lazySeq
iterator
LazySeqIterator
head
BufferedGroupedLazySeq
iterator
LazySeq
lazySeq
iterator
LazySeqIterator
headOption
LazySeq
lazySeq
LazySeqIterator