{-# LANGUAGE MultiParamTypeClasses #-}

module HaskellWorks.Data.Decode
  ( Decode(..)
  , DecodeError(..)
  ) where

newtype DecodeError = DecodeError String deriving (DecodeError -> DecodeError -> Bool
(DecodeError -> DecodeError -> Bool)
-> (DecodeError -> DecodeError -> Bool) -> Eq DecodeError
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DecodeError -> DecodeError -> Bool
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$c== :: DecodeError -> DecodeError -> Bool
Eq, Int -> DecodeError -> ShowS
[DecodeError] -> ShowS
DecodeError -> String
(Int -> DecodeError -> ShowS)
-> (DecodeError -> String)
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-> Show DecodeError
forall a.
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showList :: [DecodeError] -> ShowS
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show :: DecodeError -> String
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showsPrec :: Int -> DecodeError -> ShowS
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Show)

class Decode s t where
  decode :: s -> Either DecodeError t