Fix build on GHC 9.2

This commit is contained in:
Joseph C. Sible 2021-10-30 13:00:29 -04:00 committed by John MacFarlane
parent 2894c10b28
commit b3d09ebe01

View file

@ -1,5 +1,6 @@
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE UndecidableInstances #-}