MonadRec instance for ReaderT #55
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| @@ -96,3 +100,12 @@ instance monadWriterReaderT :: (Monad m, MonadWriter w m) => MonadWriter w (Read | |||
| instance distributiveReaderT :: (Distributive g) => Distributive (ReaderT e g) where | |||
| distribute a = ReaderT \e -> collect (flip runReaderT e) a | |||
| collect f = distribute <<< map f | |||
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| instance monadRecReaderT :: (MonadRec m) => MonadRec (ReaderT r m) where | |||
| tailRecM k a = ReaderT \r -> tailRecM k' (Tuple a r) | |||
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I don't think you need to tuple up the state here. You can just pass in r as it doesn't change.
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You're right. I've updated the instance. Thanks! |
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👍 Thanks! |
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Thanks for the merge! |
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Adding a MonadRec instance