From e9479b8034aa8124f0164a8310c47d269f3edb49 Mon Sep 17 00:00:00 2001
From: Sridhar Ratnakumar <srid@srid.ca>
Date: Thu, 13 Jan 2022 18:23:29 -0500
Subject: [PATCH] Enable some useful language extensions

---
 haskell-template.cabal | 31 +++++++++++++++++++++++++++++++
 src/Main.hs            |  2 --
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/haskell-template.cabal b/haskell-template.cabal
index d07e5c3..c245b5b 100644
--- a/haskell-template.cabal
+++ b/haskell-template.cabal
@@ -52,17 +52,48 @@ executable haskell-template
 
   ghc-options:
     -Wall -Wincomplete-record-updates -Wincomplete-uni-patterns
+    -Wmissing-deriving-strategies -Wunused-foralls -Wunused-foralls
+    -fprint-explicit-foralls -fprint-explicit-kinds
 
   default-extensions:
+    NoStarIsType
+    BangPatterns
+    ConstraintKinds
+    DataKinds
+    DeriveDataTypeable
+    DeriveFoldable
+    DeriveFunctor
+    DeriveGeneric
+    DeriveLift
+    DeriveTraversable
+    DerivingStrategies
+    DerivingVia
+    EmptyCase
+    EmptyDataDecls
+    EmptyDataDeriving
+    ExistentialQuantification
+    ExplicitForAll
     FlexibleContexts
     FlexibleInstances
+    GADTSyntax
+    GeneralisedNewtypeDeriving
+    ImportQualifiedPost
     KindSignatures
     LambdaCase
     MultiParamTypeClasses
     MultiWayIf
+    NumericUnderscores
     OverloadedStrings
+    PolyKinds
+    PostfixOperators
+    RankNTypes
     ScopedTypeVariables
+    StandaloneDeriving
+    StandaloneKindSignatures
     TupleSections
+    TypeApplications
+    TypeFamilies
+    TypeOperators
     ViewPatterns
 
   main-is:            Main.hs
diff --git a/src/Main.hs b/src/Main.hs
index b60d84a..175d8b3 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,5 +1,3 @@
-{-# LANGUAGE TypeApplications #-}
-
 module Main where
 
 import Main.Utf8 (withUtf8)