nixpkgs/pkgs/development/libraries/haskell/syb/0.2.2.nix

{cabal}:

cabal.mkDerivation (self : {
  pname = "syb";
  version = "0.2.2";
  sha256 = "0m29vnqkkmpf4m3gi42kcbr2gfyxgkcw85xsyrq0mgbxb0zg6ky9";
  meta = {
    description = "generics system described in the Scrap Your Boilerplate papers";
  };
})