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1.2.0 permalink

1.2.0

m-chain

Chains together monadic computation steps that are each functions
of one parameter. Each step is called with the result of the previous
step as its argument. (m-chain (step1 step2)) is equivalent to
(fn [x] (domonad [r1 (step1 x) r2 (step2 r1)] r2)).

0 Examples top

Source clojure/contrib/monads.clj:217 top

(defmonadfn m-chain
  "Chains together monadic computation steps that are each functions
   of one parameter. Each step is called with the result of the previous
   step as its argument. (m-chain (step1 step2)) is equivalent to
   (fn [x] (domonad [r1 (step1 x) r2 (step2 r1)] r2))."
  [steps]
  (reduce (fn m-chain-link [chain-expr step]
	    (fn [v] (m-bind (chain-expr v) step)))
	  m-result
	  steps))

Vars in clojure.contrib.monads/m-chain: fn reduce

Used in 0 other vars

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m-chain

clojure.contrib.monads

0 Examples top

See Also top

Source clojure/contrib/monads.clj:217 top

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