SoloOperationsOnly.hs

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

-- | The name @soloOperationsOnly@, which targets @()@. It names a field or constructor of @Crewing@.
module ReOC.Name.SoloOperationsOnly (
  SoloOperationsOnlyLike (..),
) where

import Control.Lens (Optic)

class SoloOperationsOnlyLike p f x x' where
  soloOperationsOnly ::
    Optic p f x x' () ()

-- | Identity
instance (x' ~ ()) => SoloOperationsOnlyLike p f () x' where
  soloOperationsOnly = id