Created
December 19, 2010 07:25
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when I use a recur inside a defmethod .. it does not seem to dispatch on the new arguments .. but stick to the same method.. It would be nice if it did dispatch on the arguments...
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nil | |
user> (defmulti hello even?) | |
#'user/hello | |
user> (defmethod hello false [n] | |
(println [:odd n]) | |
(recur (dec n))) | |
#<MultiFn clojure.lang.MultiFn@1e7c47> | |
user> (defmethod hello true [n] | |
(println [:even n]) | |
(cond | |
(zero? n) nil | |
true (recur (dec n)))) | |
#<MultiFn clojure.lang.MultiFn@1e7c47> | |
user> (hello 10) | |
[:even 10] | |
[:even 9] | |
[:even 8] | |
[:even 7] | |
[:even 6] | |
[:even 5] | |
[:even 4] | |
[:even 3] | |
[:even 2] | |
[:even 1] | |
[:even 0] | |
nil | |
user> | |
;I would have expected | |
[:even 10] | |
[:odd 9] | |
[:even 8] | |
[:odd 7] | |
[:even 6] | |
[:odd 5] | |
[:even 4] | |
[:odd 3] | |
[:even 2] | |
[:odd 1] | |
[:even 0] | |
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