Issue 34 ( http://code.google.com/p/clojure-contrib/issues/detail?id=34 ) created with patch (both -?> and .?. defined in clojure.contrib.core, with unit tests in clojure.contrib.core.tests
-- Laurent 3/13 Laurent PETIT <laurent.pe...@gmail.com> > OK, so I think the consensus is on the names .?. and -?> . No problem with > me. > > I'm willing to write the patch, but which patch ? I mean, do these macros > deserve their own file (maybe not) ? > Maybe adding them to the existing clojure.contrib.macros ? > Or else, I was thinking about creating a new file named > clojure.contrib.core since these are slight variants of existing core > functions ? > > 2009/3/13 Stephen C. Gilardi <squee...@mac.com> > > >> On Mar 12, 2009, at 9:45 PM, Mark Volkmann wrote: >> >>> >>> On Thu, Mar 12, 2009 at 5:04 PM, Stephen C. Gilardi <squee...@mac.com> >>> wrote: >>> >>>> >>>> I like these: >>>> >>>> .?. >>>> -?> >>>> >>> >> Given a choice between the two, I'd choose -?> >>> >> >> The proposal was for naming "nil-safe" versions of the existing .. and -> >> functions. >> >> (-> nil (. toString)) ==> NullPointerException >> >> (-?> nil (. toString)) ==> nil >> >> >> (.. nil (toString)) ==> NullPointerException >> >> (.?. nil (toString)) ==> nil >> >> >> Note: these are just simple examples. The point isn't the one argument, >> literal nil case, but the case where many operations are "chained" or >> "threaded" and at each point the propagated result may be nil. >> >> --Steve >> >> > > > --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
