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New monads

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Revision as of 17:10, 24 August 2006 by ChrisKuklewicz (Talk | contribs)

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1 MonadBase

It seems that the liftIO function from MonadIO can be generalized to access whatever the base of a transformer stack happens to be. So there is no need for a liftSTM, liftST, etc. View MonadBase.

2 MonadLib

This is by Iavor S. Diatchki and can be found at

It is a new version of the mtl package with transformers: ReaderT WriterT StateT ExceptT SearchT ContT

It also defines BaseM which is like MonadBase above.