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Herbert Valerio Riedel authored
This fixes the instance to be semantically cleaner but other than that this fix has no practical consequences as the implementations of `Monad(fail)` and `MonadFail(fail)` for `ReadP` coincide.
b469b308
This fixes the instance to be semantically cleaner but other than that this fix has no practical consequences as the implementations of `Monad(fail)` and `MonadFail(fail)` for `ReadP` coincide.