algo.monads

domonad state-m when :cond missing clause throw null pointer exception

Details

  • Type: Defect Defect
  • Status: Open Open
  • Priority: Major Major
  • Resolution: Unresolved
  • Affects Version/s: None
  • Fix Version/s: None
  • Component/s: None
  • Labels:
    None

Description

Following snipped will throw a null pointer, the rest of the monads just return "monad fail"-ish.

[org.clojure/algo.monads "0.1.5"]

(use 'clojure.algo.monads)

((domonad state-m [x (m-result 1)
:cond [(= x 2)
[x (m-result 2)]]]
x) {})

It should fail because no matching clause is specified
but a null pointer gives no clue that cond is missing a clause.

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  • Created:
    Updated: