anchor.diff:      };
     }).config.system.build.virtualBoxOVA;
   
  -  lib = haskellLib;
     inherit cabal2nixResult sources system androidSupport iosSupport;
     project = args: import ./project this (args ({ pkgs = nixpkgs; } // this));
     tryReflexShell = pinBuildInputs ("shell-" + system) tryReflexPackages [];
  
positive.code:     };
      inherit (nixpkgs.stdenv.lib) optional optionals optionalAttrs;
      optionalExtension = cond: overlay: if cond then overlay else _: _: {};
  in with nixpkgs.lib; with haskellLib;
  let overrideCabal = pkg: f: if pkg == null then null else haskellLib.overrideCabal pkg f;
      replaceSrc = pkg: src: version: overrideCabal pkg (drv: {
        inherit src version;
  
negative.code:     sha256 = "0rca00lajdzf8lf2hgwn6mbmii656dnw725y6nnraz4qf87907zq";
    };
    # TODO: This should probably be upstreamed to nixpkgs.
    plistLib = import (nix-darwin + /modules/launchd/lib.nix) { inherit lib; };
  
    ios = iosWithHaskellPackages ghcIosArm64;
    iosWithHaskellPackages = ghcIosArm64: {
  