Hello, 2009/3/10 Jason Wolfe <jawo...@berkeley.edu>
> > > (let [person (get-the-person)] > > (when-not (nil? person) > > (let [address (.getAddress person)] > > (when-not (nil? address) > > (let [street (.getStreet address)] > > (when-not (nil? street) > > (do-something-finally-with-street street))))) > > > > > ?-> sounds potentially useful to me, but let me also point out that > you could simplify the above to: > > (when-let [person (get-the-person)] > (when-let [address (.getAddress person)] > (when-let [street (.getStreet address)] > (do-something-finally-with-street street)))) > No, because here, you could also short-circuit on the value false , and not only nil. And it's definitely what I had in a first attempt, and wanted to avoid : having to think about variable names and add several nested levels of lets. > > Not quite > > (?-> (get-the-person) #(.getAddress %) #(.getStreet %) do-something) > > but it's halfway there at least. > > Info on contributing is here: > > http://clojure.org/contributing > > The first step is to get your CA signed and in the mail. > Yes you're right, I already have sent my CA, and will re-read this page. But I thought that before proposing something (even for clojure-contrib), it would be interesting to see if what I would like to propose sounds interesting to more than one person :-) and if somebody having commit rights on clojure-contrib informally accepts the contrib, before creating an issue with the patch attached ? > > Thanks, > Jason > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
