That extra parenses trick is neat, never thought of that! As for as->> being redundant - it could be considered so indeed, given that as-> can be lambified: (->> [] (#(as-> % x (map inc x)))) - but that's pretty damn ugly haha. If you were thinking something else, please let me know.
Thanks - Victor On Mon, Feb 18, 2013 at 8:44 PM, Marko Topolnik <marko.topol...@gmail.com>wrote: > On Monday, February 18, 2013 5:40:51 PM UTC+1, vemv wrote: > >> >> And neither can be solved by adding a lambda: >> >> (-> [[1 1 1] 2 3] (nth 0) #(map inc %)) ;; fail >> > > Lambda does solve it, you are just missing the parens around the lambda: > > (-> [[1 1 1] 2 3] (nth 0) (#(map inc %))) > > > >> Clojure 1.5's as->, though, can come to the rescue. >> >> (-> [[1 1 1] 2 3] (nth 0) (as-> x (map inc x))) ;; cool >> >> Now, I only wish 1.5 came with as->> macro! Its implemetation is trivial >> anyway. >> >> (->> [1 2 3] (as->> _ (nth _ 0))) >> >> Of course, for the given examples, using these "as" forms is overkill. >> But if you've ever ended up writing large expressions (especially when >> experimenting) which arbitrarily nest/interleave ->> and ->, using as-> and >> as->> can provide a more sequential, structured alternative. >> >> Couldn't find any related discussion about the uses of as->, as its name >> is unfriendly to Google/JIRA searches. Thoughts? >> > > as-> is actually a generalization of both -> and ->>: you get to choose > where to involve the previous result in each form. That is why as->> would > be redundant. > > -Marko > > -- > -- > 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.
