anchor.diff:        name = "editorEnv";
         paths = with self; [
           atom
  +        atom_beta
           #libreoffice
           sublime-text
         ];
  
positive.code:         goPackages.nomad.bin
          goPackages.vault.bin
          #icedtea8_web
          openjdk
          perl
          python3Packages.aws-cli
          python2Packages.bazaar
  
negative.code:     development-env = self.buildEnv {
        name = "developmentEnv";
        paths = with self; [
          cmake
          gcc
          gnumake
          go
          #goPackages.hugo.bin
          #goPackages.ipfs.bin
  