(Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.
(eqHashMapIterator: MonadOps[A]).filter(p)
(eqHashMapIterator: MonadOps[A]).flatMap(f)
(eqHashMapIterator: MonadOps[A]).map(f)
(eqHashMapIterator: MonadOps[A]).withFilter(p)