A soft limit on how many times a branching spec (or/alt/*/opt-keys/multi-spec) can be recursed through during generation. After this a non-recursive branch will be chosen.
;; Limit the recursion to 1 (binding [s/*recursion-limit* 1] (gen/generate (s/gen my-spec)))
clojure.spec.alpha/*recursion-limit*
*recursion-limit*