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Diffstat (limited to '')
| -rw-r--r-- | src/lang/util.clj | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/lang/util.clj b/src/lang/util.clj index cdfa8555d..e2edfb550 100644 --- a/src/lang/util.clj +++ b/src/lang/util.clj @@ -59,14 +59,14 @@ (match (monad state) [::ok [?state ?head]] (do ;; (prn 'repeat-m/?state ?state) - (match ((repeat-m monad) ?state) - [::ok [?state* ?tail]] - (do ;; (prn 'repeat-m/?state* ?state*) - (return* ?state* (cons ?head ?tail))))) + (match ((repeat-m monad) ?state) + [::ok [?state* ?tail]] + (do ;; (prn 'repeat-m/?state* ?state*) + (return* ?state* (cons ?head ?tail))))) [::failure ?message] (do ;; (println "Failed at last:" ?message) - (return* state '()))))) + (return* state '()))))) (defn try-all-m [monads] (fn [state] @@ -89,6 +89,12 @@ outputs (map-m f (rest inputs))] (return (conj outputs output))))) +(defn reduce-m [f init inputs] + (if (empty? inputs) + (return init) + (exec [init* (f init (first inputs))] + (reduce-m f init* (rest inputs))))) + (defn apply-m [monad call-state] (fn [state] ;; (prn 'apply-m monad call-state) |