9 lines
239 B
Haskell
9 lines
239 B
Haskell
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module Control.Monad.Except.IOH (
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handle
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) where
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import Control.Monad.Except (MonadError(..), ExceptT, runExceptT)
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handle :: Monad m => ExceptT a m b -> (a -> m b) -> m b
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handle m handler = (runExceptT m) >>= either handler return
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