Add more useful things to shell.nix.

1 files changed, 3 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
index a078d991a..04f468553 100644
--- a/shell.nix
+++ b/shell.nix
@@ -100,8 +100,11 @@ let
     ghc
     pkgs.gdb
     haskellPackages.ghcid
+    haskellPackages.haskell-language-server
     haskellPackages.cabal2nix
     haskellPackages.cabal-install
+    haskellPackages.hlint
+    haskellPackages.stylish-haskell
   ];
 in
 pkgs.stdenv.mkDerivation {