OK, Stephen checked this in, thank you very much ! Two new symbols:
clojure.contrib.core/.?. clojure.contrib.core/-?> Regards, -- Laurent 2009/3/14 Laurent PETIT <laurent.pe...@gmail.com> > 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 -~----------~----~----~----~------~----~------~--~---
