This project is mirrored from https://github.com/haskell/mtl.
Pull mirroring updated .
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v2.0.1.1
version 2.0.1.1 - fix compatibility with base>=4.6
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v2.2.0.1
version 2.2.0.1
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v2.2.2
mtl 2.2.2 * `Control.Monad.Identity` now re-exports `Control.Monad.Trans.Identity` * Fix a bug in which `Control.Monad.State.Class.modify'` was not as strict in the new state as its counterparts in `transformers` * Add a `MonadError () Maybe` instance * Add `liftEither :: MonadError e m => Either e a -> m a` to `Control.Monad.Except{.Class}` * Add a `MonadWriter w ((,) w)` instance (when built against `base-4.9` or later)
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v2.3-rc1
version 2.3 release candidate 1
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v2.3-rc3
Release candidate 3 for mtl 2.3