anchor.diff:        name = "googleChromeEnv";
         paths = with self; [
           google-chrome_stable
  -        # google-chrome_beta
  -        # google-chrome_unstable
  -      ];
  -    };
  -
  -    firefox-env = self.buildEnv  {
  +        #google-chrome_beta
  +        #google-chrome_unstable
  +      ];
  +    };
  +
  +    /*firefox-env = self.buildEnv  {
         name = "firefoxEnv";
         paths = with self; [
           firefox
         ];
  -    };
  +    };*/
   
       /*myHsEnv = self.haskellPackages.ghcWithPackages (self: with self; [
         pandoc
  
positive.code:       nvenc = true;
        libnppSupport = false;
        nvidia-cuda-toolkit = self.nvidia-cuda-toolkit;
        nvidia-drivers = self.nvidia-drivers_long-lived;
        nonfreeLicensing = true;
      };
      mpv = self.mpv.override {
        ffmpeg = ffmpeg_head;
  
negative.code:         #gn
          gnumake
          go
          goPackages.consul.bin
          #goPackages.hugo.bin
          ###goPackages.ipfs.bin
          #goPackages.lego.bin
  