Control.Monad.EitherCont
type EitherCont a l r
data EitherContT a l m r
eitherCont
runEitherCont
liftEither
fmapL
bimapEC
throwEC
apL
catchEC
liftL
flipEC
mapEitherCont
withEitherContL
withEitherContR
callCCL