nixpkgs/overlays/lib/strings.nix

   1 _self: super:
   2 let lib = super.lib; in
   3 {
   4   lib = (super.lib or { }) // rec {
   5     unwords = lib.concatStringsSep " ";
   6     unlines = lib.concatStringsSep "\n";
   7     unlinesAttrs = f: as: unlines (lib.mapAttrsToList f as);
   8     unlinesValues = as: unlines (builtins.attrValues as);
   9   };
  10 }