UpgradeSameCategory.hs

{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE TypeOperators #-}
{-# OPTIONS_GHC -Wall #-}

-- | The name @upgradeSameCategory@, which targets @()@. It names a field or constructor of @CourseType@.
module ReOC.Name.UpgradeSameCategory (
  UpgradeSameCategoryLike (..),
) where

import Control.Lens (Optic)

class UpgradeSameCategoryLike p f x x' where
  upgradeSameCategory ::
    Optic p f x x' () ()

-- | Identity
instance (x' ~ ()) => UpgradeSameCategoryLike p f () x' where
  upgradeSameCategory = id