FirstIssueVersion.hs

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

-- | The name @firstIssueVersion@, which targets @()@. It names a field or constructor of @Field@.
module ReOC.Name.FirstIssueVersion (
  FirstIssueVersionLike (..),
) where

import Control.Lens (Optic)

class FirstIssueVersionLike p f x x' where
  firstIssueVersion ::
    Optic p f x x' () ()

-- | Identity
instance (x' ~ ()) => FirstIssueVersionLike p f () x' where
  firstIssueVersion = id