Safe Haskell | Safe |
---|---|
Language | Haskell2010 |
Documentation
Writer (e, a) |
Instances
Monoid e => Monad (Writer e) Source # | |
Functor (Writer e) Source # | |
Monoid e => Applicative (Writer e) Source # | |
Interpreted (Writer e) Source # | |
Monoid e => Transformer (Writer e) Source # | |
Completable (Writer e) (State e) Source # | |
type Schema (Writer e) Source # | |
Defined in Control.Joint.Effects.Writer | |
type Primary (Writer e) a Source # | |
Defined in Control.Joint.Effects.Writer |
type Accumulated e t = Adaptable (Writer e) t Source #
add :: Accumulated e t => e -> t () Source #