Hi, Isn't tree-reduce similar to clojure.contrib.generic.functor/fmap (though fmap preserves the type of the structure, while your function returns seqs of seqs ...) ?
(Ah, and I find that the name reduce here is a bit misleading, since the operation really does a mapping from a tree to another ?) Regards, -- Laurent 2009/5/14 kyle smith <the1physic...@gmail.com> > > I've uploaded tree-utils.clj to the files section. > http://groups.google.com/group/clojure/web/tree-utils.clj Here are > some example usages: > > Subtracting two (or more) trees element-by-element: > user=> atree > [[1 2] [3 4 5] [6 7]] > user=> btree > [[2 3] [4 5 6] [7 8]] > user=> (tree-reduce - atree btree) > ((-1 -1) (-1 -1 -1) (-1 -1)) > > Recursively summing all the elements in a tree: > user=>(tree-apply #(reduce + %) true true atree) > 28 > user=>(tree-apply #(reduce + %) true true btree) > 34 > > > I think these are generally useful, so I'm just looking for some > feedback and possible inclusion in contrib. Thanks! > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
