gotta love well thought out libraries Thanks Laurent
one more question, what if one was to attempt the reverse, ie: ( 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 ) into ( 1 2 3 4 (5 6 7 8) ((9 10 11 12)) (((13 14 15 16))) ) thanks, sorry just getting started with clojure/lisp On Jan 19, 11:51 am, Laurent PETIT <laurent.pe...@gmail.com> wrote: > Maybe you're in quest > ofhttp://richhickey.github.com/clojure-contrib/seq-utils-api.html#cloju... > ? > > HTH, > > -- > Laurent > > 2010/1/19 Scott <sbuck...@gmail.com>: > > > i am utilizing parenthesis to represent a tree structure within a > > genetic algorithm > > > I am trying to write a function that can strip all parenthesis such > > that I can perform crossovers/mutations on the permutation. > > > Ex. > > > ( 1 2 3 4 (5 6 7 8) ((9 10 11 12)) (((13 14 15 16))) ) > > > into > > > ( 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 ) > > > the numbers are unique and can be in any order, and parenthesis can > > occur anywhere in the representation [ another possible representation > > is ( (5 6 7 8) 1 2 3 4 (((13 14 15 16))) ((9 10 11 12)) ) -- in this > > case an operator must order the representation before applying the > > removal of parenthesis] > > > so far I hacked something like: > > > (use 'clojure.contrib.str-utils) > > > (defn genome-to-list [mytree] > > (apply list (re-gsub #"[()]*" "" (str mytree) ) > > ) > > > but I am sure there is a better option via regression, any ideas? > > > -- > > 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
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