No, what I'm saying is that in each persistent collection there is a method called "cons":
https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/PersistentVector.java#L167 However, this is the function called by clojure.core/conj: https://github.com/clojure/clojure/blob/master/src/clj/clojure/core.clj#L75 https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/RT.java#L562 Compare this to what clojure.core/cons calls: https://github.com/clojure/clojure/blob/master/src/clj/clojure/core.clj#L22 https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/RT.java#L565 Basically, clojure.core/cons always converts the collection to a seq, then creates a Cons cell. Conj dispatches to coll.cons and runs whatever code the collection considers best. Timothy On Wed, May 22, 2013 at 10:00 AM, John Jacobsen <eigenhom...@gmail.com>wrote: > I am indeed confused. I have both cons and conj operations in my table. > Are you saying (conj coll item) and (cons item coll) are implemented the > same way under the hood? That wasn't my understanding. Can you clarify? > > > On Wednesday, May 22, 2013 10:05:22 AM UTC-5, tbc++ wrote: > >> You might also want to switch "cons" to "conj". This is a super ugly part >> of the Java api that no one really ever sees. PersistentVector.cons is >> actually called by clojure.core/conj. clojure.core/cons is something else >> completely. When talking about how the java code performs it might be best >> to specify which one you mean. >> >> Yes it's confusing, I'm sure there is a historical reason for it. >> >> Timothy >> >> >> On Wed, May 22, 2013 at 8:24 AM, John Jacobsen <eigen...@gmail.com>wrote: >> >>> I should probably also have added sorted-map to the table, though the >>> complexity for each operation is less clear to me. >>> >>> -- >>> -- >>> 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<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<https://groups.google.com/groups/opt_out> >>> . >>> >>> >>> >> >> >> >> -- >> “One of the main causes of the fall of the Roman Empire was that–lacking >> zero–they had no way to indicate successful termination of their C >> programs.” >> (Robert Firth) >> > -- > -- > 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. > > > -- “One of the main causes of the fall of the Roman Empire was that–lacking zero–they had no way to indicate successful termination of their C programs.” (Robert Firth) -- -- 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.
