sdl2-2.4.0: src/SDL/Internal/Numbered.hs

{-# LANGUAGE FunctionalDependencies #-}
module SDL.Internal.Numbered
  ( FromNumber(..)
  , ToNumber(..)
  ) where

class (Integral b) => FromNumber a b | a -> b where
  fromNumber :: b -> a

class (Integral b) => ToNumber a b | a -> b where
  toNumber :: a -> b