anchor.diff:            homepage = "http://projects.haskell.org/cpphs/";
             description = "A liberalised re-implementation of cpp, the C pre-processor";
             license = "LGPL";
  -        }) {};
  -      criterion = callPackage ({ Glob, aeson, ansi-wl-pprint, base, binary, bytestring, cassava, code-page, containers, deepseq, directory, filepath, hastache, js-flot, js-jquery, mkDerivation, mtl, mwc-random, optparse-applicative, parsec, statistics, stdenv, text, time, transformers, transformers-compat, vector, vector-algorithms }:
  -      mkDerivation {
  -          pname = "criterion";
  -          version = "1.1.4.0";
  -          sha256 = "0xps7jm8g1bg7a2y4b6mj5nhg3b595k5ysprf4711lwyfpy478jk";
  -          revision = "1";
  -          editedCabalFile = "0hgy2rbrb0dg1sjdvqk2zivdq075fih4zlf51ffdmqzgcdj3i9b1";
  -          libraryHaskellDepends = [
  -            aeson
  -            ansi-wl-pprint
  -            base
  -            binary
  -            bytestring
  -            cassava
  -            code-page
  -            containers
  -            deepseq
  -            directory
  -            filepath
  -            Glob
  -            hastache
  -            js-flot
  -            js-jquery
  -            mtl
  -            mwc-random
  -            optparse-applicative
  -            parsec
  -            statistics
  -            text
  -            time
  -            transformers
  -            transformers-compat
  -            vector
  -            vector-algorithms
  -          ];
  -          doHaddock = false;
  -          doCheck = false;
  -          homepage = "http://www.serpentine.com/criterion";
  -          description = "Robust, reliable performance measurement and analysis";
  -          license = stdenv.lib.licenses.bsd3;
           }) {};
         cryptohash-md5 = callPackage ({ base, bytestring, mkDerivation, stdenv }:
         mkDerivation {
  
positive.code:           description = "Case insensitive string comparison";
            license = stdenv.lib.licenses.bsd3;
          }) {};
        cassava = callPackage ({ array, attoparsec, base, blaze-builder, bytestring, containers, deepseq, hashable, mkDerivation, stdenv, text, unordered-containers, vector }:
        mkDerivation {
            pname = "cassava";
            version = "0.4.5.1";
            sha256 = "17wxrwq977nyi225zlg3wj32f0ypyvikznhw59k0hxb4vkljlqkw";
            revision = "1";
            editedCabalFile = "05035bnvyqs36sp2bqd1wdjp5x4zs1pnrw6c8hq5nwjwdajjqkf0";
            libraryHaskellDepends = [
              array
              attoparsec
              base
              blaze-builder
              bytestring
              containers
              deepseq
              hashable
              text
              unordered-containers
              vector
            ];
            doHaddock = false;
            doCheck = false;
            homepage = "https://github.com/hvr/cassava";
            description = "A CSV parsing and encoding library";
            license = stdenv.lib.licenses.bsd3;
          }) {};
        cborg = callPackage ({ array, base, bytestring, containers, ghc-prim, half, integer-gmp, mkDerivation, primitive, stdenv, text }:
        mkDerivation {
            pname = "cborg";
  
negative.code:             vector
            ];
            executableHaskellDepends = [
              base
              binary
              bytestring
              containers
              network-transport-tcp
              random
              stm
              time-units
            ];
            doHaddock = false;
            doCheck = false;
  