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Ch6 Add hint to repeatAction exercise #88

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Apr 21, 2020
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Ch6 Add hint to repeatAction exercise #88

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Expand Up @@ -614,6 +614,7 @@ Another reason to define a superclass relationship is in the case where there is
```haskell
instance repeatAction :: Action Multiply String
```
_Hint_: Search Pursuit for a helper-function with the signature `String -> Int -> String`. Note that `String` might appear as a more generic type.

Does this instance satisfy the laws listed above?
1. (Medium) Write an instance `Action m a => Action m (Array a)`, where the action on arrays is defined by acting on each array element independently.
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