DeclarantRole.hs

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

-- | The name @declarantRole@, which targets @()@. It names a field or constructor of @Field@.
module ReOC.Name.DeclarantRole (
  DeclarantRoleLike (..),
) where

import Control.Lens (Optic)

class DeclarantRoleLike p f x x' where
  declarantRole ::
    Optic p f x x' () ()

-- | Identity
instance (x' ~ ()) => DeclarantRoleLike p f () x' where
  declarantRole = id