It also does not really care whether or not it is inside a ->, it just reads nicer when it is.
(as-> 4 x (+ x 2) (* x 7) should return 42, although I can't check on my phone. On Saturday, 15 November 2014, Bronsa <brobro...@gmail.com> wrote: > Looks like I've been too fast in my reply, looking at the docstring I > see that I'm wrong and you're right. I didn't realize as-> could take > more than one "body" > > On Sat, Nov 15, 2014 at 3:05 PM, Nicola Mometto <brobro...@gmail.com > <javascript:;>> wrote: > > > > as-> only binds the specified expression rather than each result in step > > and only works from within -> > > > > Timothy Baldridge writes: > > > >> That was added to clojure.core in 1.6 and is known as "as->" > >> https://clojuredocs.org/clojure.core/as-%3E > >> > >> > >> > >> On Sat, Nov 15, 2014 at 6:55 AM, Krzysiek Herod < > krzysiek.he...@gmail.com <javascript:;>> > >> wrote: > >> > >>> Guys, what do you think about new thread macro (I would call it > thread-any > >>> and represent it as "%>"), that would require you to always specify the > >>> position of the argument you want to pass to the function? > >>> > >>> This code: > >>> > >>> (defn csv-line->sql-line [table, line] > >>> (-> line > >>> (str " ") > >>> (str/split separator) > >>> (#(map csv-field->sql-field %)) > >>> (#(str/join ", " %)) > >>> (str/replace strings-wrapper "\"") > >>> (#(str "INSERT INTO ", table, " VALUES(" % ");")))) > >>> > >>> would become: > >>> > >>> (defn csv-line->sql-line [table, line] > >>> (%> line > >>> (str % " ") > >>> (str/split % separator) > >>> (map csv-field->sql-field %) > >>> (str/join ", " %) > >>> (str/replace strings-wrapper % "\"") > >>> (str "INSERT INTO ", table, " VALUES(" % ");"))) > >>> > >>> Reasoning: > >>> - there are functions that are "thread-first fiendly", and other that > are > >>> "thread-last friendly", by using thread-in you don't have to redefine > >>> functions only to change the order of the attributes > >>> - I find it easier to follow execution chain if the argument is passed > >>> explicitely > >>> > >>> PS. I'm a clojure newbie, still in the process of learning basics. For > >>> example I'm not sure how to implement such macro yet, so if you find > >>> something obviously wrong, or missing in my suggestion, please let me > know. > >>> I'll be super happy to read about alternative solutions to achieve > similar > >>> goal. > >>> > >>> -- > >>> 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 > <javascript:;> > >>> 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 <javascript:;> > >>> 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 <javascript:;>. > >>> For more options, visit https://groups.google.com/d/optout. > >>> > >> > >> > >> > >> -- > >> “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 > <javascript:;> > 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 <javascript:;> > 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 <javascript:;>. > For more options, visit https://groups.google.com/d/optout. > -- 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/d/optout.
