use ‘ExistentialQuantification’ locally

Only in module ‘Text.Megaparsec.Perm’ where it is necessary.
2024-12-25 01:07:57 +03:00 · 2015-09-27 14:27:01 +06:00 · 2015-09-27 14:27:01 +06:00 · 319addf767
commit 319addf767
parent 664e17959d
2 changed files with 2 additions and 1 deletions
--- a/Text/Megaparsec/Perm.hs
+++ b/Text/Megaparsec/Perm.hs
@ -14,6 +14,8 @@
 -- Doaitse Swierstra. Published as a functional pearl at the Haskell
 -- Workshop 2001.

+{-# LANGUAGE ExistentialQuantification #-}
+
 module Text.Megaparsec.Perm
  ( PermParser
  , makePermParser
--- a/megaparsec.cabal
+++ b/megaparsec.cabal
@ -86,7 +86,6 @@ library
                   , text                   >= 0.2 && < 1.3
  default-extensions:
                     DeriveDataTypeable
-                   , ExistentialQuantification
                   , FlexibleContexts
                   , FlexibleInstances
                   , FunctionalDependencies