The Monad Challenges
PureScript Edition
A set of challenges for jump starting your understanding of monads.
Outline
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Do Notation – Set 3
Again, create a Monad instance for your Array type. Import your Card data constructor from Set 3. Using do syntax, implement the following functions:
allPairs :: forall a b. Array a -> Array b -> Array (Tuple a b)
allCards :: Array Int -> Array String -> Array Card
allCombs3 :: forall a b c d. (a -> b -> c -> d) -> Array a -> Array b -> Array c -> Array d