anchor.diff:          ruby cabal2nix
         ];
       } "";
  +
       ghcjsCompiler = ghc.callPackage (nixpkgs.path + "/pkgs/development/compilers/ghcjs/base.nix") {
         bootPkgs = ghc;
         ghcjsSrc = sources.ghcjs;
  
positive.code:         };
        } // config;
      });
      inherit (nixpkgs) lib fetchurl fetchgit fetchgitPrivate fetchFromGitHub;
      nixpkgsCross = {
        android = lib.mapAttrs (_: args: if args == null then null else nixpkgsFunc args) rec {
          aarch64 = {
  
negative.code:         done
        '';
      });
  
      cabal2nixResult = src: builtins.trace "cabal2nixResult is deprecated; use ghc.haskellSrc2nix or ghc.callCabal2nix instead" (ghc.haskellSrc2nix {
        name = "for-unknown-package";
        src = "file://${src}";
        sha256 = null;
      });
  
      mkHaskellOverlays = nixpkgs: import ./haskell-overlays {
        inherit
          haskellLib
  