On 2 February 2014 04:54, Ambrose Bonnaire-Sergeant < abonnaireserge...@gmail.com> wrote:
> zipmap could also potentially use transients (which would be a nice > addition). > My patch for this has been waiting in JIRA since end of May 2012: http://dev.clojure.org/jira/browse/CLJ-1005 Cheers, Michał > > keys/vals are also lazy, so I would be surprised if there was any > performance > difference with walking the seq "twice". > > Thanks, > Ambrose > > > On Sun, Feb 2, 2014 at 11:35 AM, Justin Smith <noisesm...@gmail.com>wrote: > >> Realistically, how many situations are there where running keys and vals >> independently is preferable to running seq once and using the two element >> vectors that returns? >> >> Usually this way one can avoid walking the whole thing twice. >> >> (into {} (map (fn [[k v]] [k (inc v)]) {:a 0 :b 1})) is representative of >> the idiom I usually use. As a bonus, into uses transients, which can create >> the resulting structure in fewer cycles / less time. >> >> >> On Saturday, February 1, 2014 10:00:33 AM UTC-8, Sam Ritchie wrote: >> >>> Looks like Rich just chimed in with: >>> >>> "keys order == vals order == seq order " >>> >>> Matching Socks >>> January 31, 2014 7:31 PM >>> Actually, http://dev.clojure.org/jira/browse/CLJ-1302 "keys and vals >>> consistency not mentioned in docstring" was declined, with the comment "The >>> absence of this property in the docs is correct. You should not rely on >>> this." >>> >>> >>> >>> On Wednesday, August 11, 2010 6:03:39 PM UTC-4, Chouser wrote: >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Clojure" group. >>> To post to this group, send email to clo...@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+u...@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+u...@googlegroups.com. >>> >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> -- >>> Sam Ritchie (@sritchie) >>> Paddleguru Co-Founder >>> 703.863.8561 >>> www.paddleguru.com >>> Twitter <http://twitter.com/paddleguru> // >>> Facebook<http://facebook.com/paddleguru> >>> >> -- >> 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. >> > > -- > 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. > -- 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.
