monadology-0.1: src/Control/Monad/Ology/General/Trans/Coerce.hs

module Control.Monad.Ology.General.Trans.Coerce where

import Control.Monad.Ology.General.Trans.Trans
import Import

-- | A monad transformer for which coercibility is transitive.
class MonadTrans t => MonadTransCoerce t where
    transCoerce ::
           forall m1 m2. Coercible m1 m2
        => Dict (Coercible (t m1) (t m2))