https://ask.clojure.org/index.php/questions/contrib-libs/algo-monads https://ask.clojure.org/index.php/284/add-monadic-implementations-of-walk-prewalk-and-postwalk algo.monads https://ask.clojure.org/index.php/284/add-monadic-implementations-of-walk-prewalk-and-postwalk Wed, 02 Jan 2019 00:36:58 +0000 https://ask.clojure.org/index.php/285/make-m-map-take-mulitple-colls-like-core-map algo.monads https://ask.clojure.org/index.php/285/make-m-map-take-mulitple-colls-like-core-map Wed, 02 Jan 2019 00:31:41 +0000 https://ask.clojure.org/index.php/282/domonad-state-when-missing-clause-throw-pointer-exception Following snipped will throw a null pointer, the rest of the monads just return &quot;monad fail&quot;-ish.<br /> <br /> [org.clojure/algo.monads &quot;0.1.5&quot;]<br /> <br /> (use 'clojure.algo.monads)<br /> <br /> ((domonad state-m [x (m-result 1) <br /> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:cond [(= x 2) <br /> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[x (m-result 2)]]] <br /> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x) {})<br /> <br /> It should fail because no matching clause is specified <br /> but a null pointer gives no clue that cond is missing a clause. algo.monads https://ask.clojure.org/index.php/282/domonad-state-when-missing-clause-throw-pointer-exception Thu, 18 Feb 2016 02:20:31 +0000 https://ask.clojure.org/index.php/283/either-monad <p>implementation of either monad (useful when maybe's not enough, because one needs to carry something around)</p> algo.monads https://ask.clojure.org/index.php/283/either-monad Fri, 15 Jan 2016 11:58:51 +0000