Simplify c688e95

Author: runeksvendsen

default.nix

@@ -2,25 +2,16 @@
 , compiler ? "ghc90"
 }:
 let
-  # Trick I learned from https://nix.dev/guides/best-practices.html#updating-nested-attribute-sets
-  # TODO:
-  #  pkgs.lib.recursiveUpdate { a = { b = 1; }; } { a = { c = 3;}; }
-
   nixpkgs =
-    nixpkgsRaw //
-      { pkgs = nixpkgsRaw.pkgs //
-        { haskell = nixpkgsRaw.pkgs.haskell //
-          { packages = nixpkgsRaw.pkgs.haskell.packages //
-            { "${compiler}" =
-                nixpkgsRaw.pkgs.haskell.packages.${compiler}.override {
-                  overrides = self: super: {
-                    statistics = nixpkgsRaw.pkgs.haskell.lib.dontCheck super.statistics;
-                    flatparse = nixpkgsRaw.pkgs.haskell.lib.dontCheck super.flatparse;
-                  };
-                };
+    nixpkgsRaw.pkgs.lib.recursiveUpdate # See https://nix.dev/guides/best-practices.html#updating-nested-attribute-sets
+      nixpkgsRaw
+      { pkgs.haskell.packages.${compiler} =
+          nixpkgsRaw.pkgs.haskell.packages.${compiler}.override {
+            overrides = self: super: {
+              statistics = nixpkgsRaw.pkgs.haskell.lib.dontCheck super.statistics;
+              flatparse = nixpkgsRaw.pkgs.haskell.lib.dontCheck super.flatparse;
             };
           };
-        };
       };
 
   bellman-ford =