InputDirectories.hs

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

{- | The name @inputDirectories@, targeting @['FilePath']@: the input directories of a build, whose files the rules run on, in order.

Any value of the target type has the name, as the identity.

@since 0.2.0.0
-}
module Document.Build.Name.InputDirectories (
  InputDirectoriesLike (..),
) where

import Control.Lens (Optic)

{- | A field or a constructor named @inputDirectories@.

@since 0.2.0.0
-}
class InputDirectoriesLike p f x x' where
  inputDirectories ::
    Optic p f x x' [FilePath] [FilePath]

{- | Identity

@since 0.2.0.0
-}
instance (x' ~ [FilePath]) => InputDirectoriesLike p f [FilePath] x' where
  inputDirectories =
    id
  {-# INLINE inputDirectories #-}