may I see the macro for the latter, if you decide to go that way ? thx
On Sat, May 25, 2013 at 2:24 PM, Steven Degutis <sbdegu...@gmail.com> wrote: > There are two patterns I find in my code that I'm still unhappy with but I > don't know how to clean up. > > The first is: (if (:attr obj) obj (assoc obj :attr something)) > > I'm basically saying, give this hash-map an attribute if it doesn't > already have it. And just return the thing with an attribute, regardless if > I had to add it or not. > > This version is ugly because it repeats obj three times. I could write my > own macro to de-duplicate it, but I avoid doing that when I can because > there's usually a better built-in solution that I just don't know about yet. > > The second is like it: (if (some-test obj) obj (some-transformation obj)) > > In this one, I just want to return the object, but maybe transform it > first. But the reference to obj happens three times! Still feels like it > could be cleaned up. > > Any thoughts on how to clean these up? > > -- > -- > 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/groups/opt_out. > > > -- -- 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/groups/opt_out.
