Fix T9 example #20
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Fix T9 example #20
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The example gave this compile error:
Couldn't match type `EitherT ServantErr IO a0'
with `forall a. m0 a -> n0 a'
Expected type: EitherT ServantErr IO a0 -> m0 :~> n0
Actual type: (forall a. m0 a -> n0 a) -> m0 :~> n0
In the first argument of `(.)', namely `Nat'
In the expression: Nat . readerToEither'
Looking at the tutorial code showed that the extra "." was the problem.
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The example gave this compile error:
Looking at the tutorial code showed that the extra
.was the problem.