(1) Clojure APIs are very careful about parameter order. (2) -> and ->> encourage chains of operations that build on that parameter order. (3) I haven't seen a lot of examples where something like --> solves real problems in code.
In my experience, unneeded versatility == support headache. Stu > On Jul 6, 2010, at 11:47 AM, Stuart Halloway wrote: > >> There is not general agreement that something like --> is more readable. (I >> for one disagree, at least so far.) > > I'm very curious as to why as I find it hard to even fathom how you could > think it's less readable to be explicit about the location of the parameter. > > Still, that doesn't change two facts: > > 1) I, and many others, find -> and ->> *less* readable because they do not > indicate at all where the parameter is. > > 2) --> is more versatile than either -> and ->>. > > > So why keep it out of the core library? > > - Greg > > >> Stu >> >>> On Jul 6, 2010, at 8:23 AM, Meikel Brandmeyer wrote: >>> >>>> Hi, >>>> >>>> this comes up once in a while. See eg. here for an in-depth >>>> discussion: >>>> http://groups.google.com/group/clojure/browse_thread/thread/66ff0b89229be894/c3d4a6dae45d4852 >>> >>> So why hasn't it been incorporated yet into the standard library? >>> >>> The --> macro (or the let-> mentioned there) is more powerful than -> and >>> ->>, and it also makes code more readable too. It seems strange therefore >>> not to have one. >>> >>> - Greg >>> >>> >>> >>>> Note, that you can ease your pain a little with #(): (-> 3 (#(+ 1 % >>>> 4)) (#(prn "answer:" %))). This is rather ugly, though. >>>> >>>> Sincerely >>>> Meikel >>>> >>>> -- >>>> 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 >> >> -- >> 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 -- 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
