Merge pull request #1 from bachelor-group-66-systemf/dev-env

Update dev enviroment

language.cabal

@@ -68,10 +68,10 @@ executable language
     -- other-extensions:
 
     -- Other library packages from which modules are imported.
-    build-depends:    base ^>=4.17.0.0
+    build-depends:    base ^>=4.16.3.0
 
     -- Directories containing source files.
-    hs-source-dirs:   app
+    hs-source-dirs:   src
 
     -- Base language which the package is written in.
     default-language: GHC2021

shell.nix

@@ -0,0 +1,14 @@
+let
+  pkgs = import <nixpkgs> { }; # pin the channel to ensure reproducibility!
+in
+pkgs.haskellPackages.developPackage {
+  root = ./.;
+  withHoogle = true;
+  modifier = drv:
+  pkgs.haskell.lib.addBuildTools drv (
+    (with pkgs; [ hlint haskell-language-server ghc ])
+    ++
+    (with pkgs.haskellPackages; [ cabal-install stylish-haskell ])
+  );
+}
+