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Recursive spec with clojure.spec
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| ;; on 1.9.0-master-SNAPSHOT | |
| ;; bb6d305ffd24d1ce0286d3bf6903b6c68e2c95fd | |
| (require '[clojure.spec :as s]) | |
| (s/def ::tag (s/cat :type #{:div} | |
| :attrs map? | |
| :children (s/spec (s/* ::tag)))) | |
| (s/explain ::tag [:div {} [[:div {} []]]]) | |
| ;; In: [2 0] val: [:div {} []] fails spec: _ at: [:children :type] predicate: #{:div} |
(s/exercise ::tag 2) throws a CompilerException java.lang.StackOverflowError. How can you generate sample data ?
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I got it working using
(s/def ::tag (s/cat :type #{:div} :attrs map? :children (s/coll-of ::tag)))