add language extensions (how did this compile before?)

This commit is contained in:
Daniel Brice 2020-11-04 14:18:23 -08:00
parent 0a338177fe
commit 46f8879a0a

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@ -1,3 +1,5 @@
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE OverloadedStrings, TemplateHaskell, QuasiQuotes, TypeFamilies #-}
{-# LANGUAGE EmptyDataDecls, FlexibleContexts, GADTs #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}