Data.EitherR

EitherR

data EitherR r e

Operations in the EitherR monad

succeed

Conversions to the Either monad

throwEither

catchEither

handleEither

fmapL

Flip alternative

flipEither

ExceptRT

data ExceptRT r m e

Operations in the ExceptRT monad

succeedT

Conversions to the ExceptT monad

handleE

fmapLT

Flip alternative

flipET