Safe Haskell	Safe-Inferred
Language	GHC2021

Web.Hyperbole.HyperView.ViewAction

Synopsis

class ViewAction a where
- toAction :: a -> Encoded
- parseAction :: Encoded -> Either String a
encodeAction :: ViewAction act => act -> Text
decodeAction :: ViewAction act => Text -> Maybe act

Documentation

class ViewAction a where Source #

Define every action possible for a given HyperView

instance HyperView Message es where
  data Action Message = Louder Text
    deriving (Generic, ViewAction)

  update (Louder msg) = do
    let new = msg <> "!"
    pure $ messageView new

Minimal complete definition

Nothing

Methods

toAction :: a -> Encoded Source #

default toAction :: (Generic a, GToEncoded (Rep a)) => a -> Encoded Source #

parseAction :: Encoded -> Either String a Source #

default parseAction :: (Generic a, GFromEncoded (Rep a)) => Encoded -> Either String a Source #

Instances

Instances details

ViewAction () Source #
Instance details Defined in Web.Hyperbole.HyperView.ViewAction Methods toAction :: () -> Encoded Source # parseAction :: Encoded -> Either String () Source #
ViewAction (Action (Root views)) Source #
Instance details Defined in Web.Hyperbole.HyperView.Types Methods toAction :: Action (Root views) -> Encoded Source # parseAction :: Encoded -> Either String (Action (Root views)) Source #

encodeAction :: ViewAction act => act -> Text Source #

decodeAction :: ViewAction act => Text -> Maybe act Source #