I suspect it’s done for consistency with the source of -> (which has to use first/next because it threads the expression between them) – using first/next/x in ->> is therefore a closer parallel to using first/x/next in -> so it’s easier to see the similarity (and correctness) of the code.
Sean Corfield -- (970) FOR-SEAN -- (904) 302-SEAN An Architect's View -- http://corfield.org/ "If you're not annoying somebody, you're not really alive." -- Margaret Atwood ________________________________ From: clojure@googlegroups.com <clojure@googlegroups.com> on behalf of James Reeves <ja...@booleanknot.com> Sent: Saturday, January 26, 2019 11:08:25 AM To: clojure@googlegroups.com Subject: Re: Noob question on the --> macro implementation I believe he's just saying it's simpler and possibly more efficient. Unless I'm missing something subtle in the way this is resolved, I believe Ujjwal is right that: `(~(first form) ~@(next form) ~x) Is equivalent to: `(~@form ~x) On Sat, 26 Jan 2019 at 19:04, Andy Fingerhut <andy.finger...@gmail.com<mailto:andy.finger...@gmail.com>> wrote: When you ask "am I right?" about your proposed change, what is it that the current behavior does not do, that your change would do? Do you have some use case in mind that works with your change, but doesn't with the current implementation? Andy On Sat, Jan 26, 2019 at 10:50 AM Ujjwal Thaakar <ujjwalthaa...@gmail.com<mailto:ujjwalthaa...@gmail.com>> wrote: Hi, I'm trying to learn Clojure and I just curiously typed (source ->>) in the REPL and was wondering about this: https://github.com/clojure/clojure/commit/749a0ad8b66c781d8176833f0ad26cfe6b9b24e3#r32075784 Am I missing something? -- 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<mailto: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<mailto:clojure%2bunsubscr...@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<mailto:clojure+unsubscr...@googlegroups.com>. 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<mailto: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<mailto:clojure%2bunsubscr...@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<mailto:clojure+unsubscr...@googlegroups.com>. For more options, visit https://groups.google.com/d/optout. -- James Reeves booleanknot.com<http://booleanknot.com> -- 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<mailto:clojure+unsubscr...@googlegroups.com>. 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.
