Excellent explanation. Thank you everybody.
Plínio On Thu, Mar 13, 2014 at 12:54 PM, Andy Fingerhut <andy.finger...@gmail.com>wrote: > The Clojure lint tool Eastwood (https://github.com/jonase/eastwood) uses > this {:declared true} metadata to distinguish between a declare followed > later by a def on the same var (no warning) from a def followed later by > another def on the same var (when it issues a warning). > > declare is also an explicit signal to the human reader that you do not > intend to give this var a value now, but you plan to later, either because > of mutual recursion in definitions, or for a preferred order of definitions > in the file that you believe is clearer. > > Andy > > > On Thu, Mar 13, 2014 at 7:14 AM, Gal Dolber <g...@dolber.com> wrote: > >> #'declare adds extra meta to the var {:declared true} >> >> I don't think it's being used right now, but it can be specially handled >> by the compiler, for example, to ignore the #'declare stataments from the >> emitted bytecode, I'm experimenting with this here: >> >> >> https://github.com/galdolber/clojurefast/commit/649672baede3e0f1cc8b3e9e42b6e899927a9c09 >> >> >> On Thu, Mar 13, 2014 at 10:57 AM, Ambrose Bonnaire-Sergeant < >> abonnaireserge...@gmail.com> wrote: >> >>> No difference, but declare can take multiple vars as arguments. >>> >>> Thanks, >>> Ambrose >>> >>> >>> On Thu, Mar 13, 2014 at 9:51 PM, Plínio Balduino <pbaldu...@gmail.com>wrote: >>> >>>> Hi there >>>> >>>> Is there any difference between declare and def when I'm making a >>>> forward declaration? >>>> >>>> Thanks >>>> >>>> Plínio >>>> >>>> -- >>>> 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. >>>> >>> >>> -- >>> 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. >>> >> >> -- >> 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. >> > > -- > 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. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. 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