Thanks BG. I recently obtained this knowledge of map implementations myself, either on this list or in a book. However, it's the *first* map that has sorted keys! That's the opposite of what we'd expect from your explanation, because the large map appears sorted while the small map is unsorted.
On Monday, September 30, 2013 8:36:45 PM UTC+10, Baishampayan Ghose wrote: > The second one is actually a PersistentArrayMap and hence properties > that might indicate (falsely) that it's a sorted-map (aka > PersistentTreeMap). Clojure uses PersistentArrayMap for small maps as > an optimisation and automatically promotes to PersistentHashMap when > the number of items crosses a certain threshold (32, IIRC). > > Regards, > BG > > -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
