First, IPersistentSeq is the interface, PersistentSeq is the actual class. If you look at it a little more closely, PersistentList extends ASeq, which is an abstract class. ASeq implements the ISeq interface. So PersistentList does implement ISeq through its parent class.
https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/PersistentList.java#L16 <- PersistentList extending ASeq https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/ASeq.java#L16 <- ASeq implementing ISeq On Fri, Aug 31, 2012 at 12:58 PM, Andrei Zhlobich <a.zhlob...@gmail.com>wrote: > Why IPersistentList doesn't extend ISeq? > > Clojure docs say: > >> Lists are collections. They implement the ISeq interface directly > (except for the empty list, which is not a valid seq) > > At this moment EmptyList implements ISeq, but PersistentList doesn't. It > seems very strange for me. > Also PersistentQueue implements IPersistentList, but semantically it is > not a list. > > I think we can do 2 changes in hierarchy: > 1) extend IPersistentList from ISeq; > 2) extend PersistentQueue directly from IPersistentStack instead of > IPersistentList. > > Is it possible? > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
