Merge pull request #12 from Hodapp87/patch-1
Fix two typos (-varaint -> -variant)
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@ -496,7 +496,7 @@ that makes sense, and similarly that there is no valid `Contravariant`
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instance.
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instance.
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__Exercise 3__: For each of the following newtype wrappers, determine if they
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__Exercise 3__: For each of the following newtype wrappers, determine if they
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are covaraint or contravaraint in their arguments:
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are covariant or contravariant in their arguments:
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```haskell
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```haskell
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newtype E1 a = E1 (a -> ())
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newtype E1 a = E1 (a -> ())
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