Adapt to (~) becoming a type operator

`(~)` now requires `TypeOperators` in GHC 9.4 (see
https://gitlab.haskell.org/ghc/ghc/-/wikis/migration/9.4?version_id=503a517b7238e8bac3dd588f32e234bf74b17097#-is-now-a-type-operator)
to build without warnings.

Author: RyanGlScott

benchmarks/alongside.hs

@@ -1,5 +1,6 @@
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 module Main (main) where

src/Control/Lens/Each.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE DefaultSignatures #-}

src/Control/Lens/Internal/Bazaar.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE RoleAnnotations #-}

src/Control/Lens/Internal/Context.hs

@@ -1,5 +1,6 @@
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE FunctionalDependencies #-}

src/Control/Lens/Internal/Indexed.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE ScopedTypeVariables #-}

src/Control/Lens/Internal/Magma.hs

@@ -5,6 +5,7 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE UndecidableInstances #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE RoleAnnotations #-}
 -----------------------------------------------------------------------------

src/Control/Lens/Zoom.hs

@@ -1,5 +1,6 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE UndecidableInstances #-}

tests/T917.hs

@@ -5,6 +5,7 @@
 {-# LANGUAGE PolyKinds #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 
 #if __GLASGOW_HASKELL__ < 806
 {-# LANGUAGE TypeInType #-}

tests/templates.hs

@@ -4,6 +4,7 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE Rank2Types #-}
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE UndecidableInstances #-}