anchor.diff:      sha256 = "0f3lc7yszyl3yv9rq7bsyda2yfp56xydvh834qrpplf998973yii";
     };
   
  +  easyjson = buildFromGitHub {
  +    version = 2;
  +    owner = "mailru";
  +    repo = "easyjson";
  +    rev = "9e74fe5423dca819cf8fd940d9a5d5307ac7aa10";
  +    date = "2017-04-24";
  +    sha256 = "198qkxr8m9g82bd7bg2f1pjarn8d0s50fm55505kb2r7a7dbwyzd";
  +    excludedPackages = "benchmark";
  +  };
  +
     ed25519 = buildFromGitHub {
       version = 2;
       owner = "agl";
  
positive.code:     owner = "rainycape";
      repo = "memcache";
      sha256 = "0585b0rblaxn4b2p5q80x3ynlcbhvf43p18yxxhlnm0yf0w3hjl9";
    };
  
    metrics = buildFromGitHub {
  
negative.code:     sha256 = "0y1d6yi09ac0xlf63qrzxsi7dqf10wha3na633qzqjnpjcga97ck";
    };
  
    jsonpointer = buildFromGitHub {
      version = 2;
      owner = "go-openapi";
      repo = "jsonpointer";
      rev = "779f45308c19820f1a69e9a4cd965f496e0da10f";
      date = "2017-01-02";
      sha256 = "1kdgq87bns9xzvyyybcdk3hj09l8ic8s758dxldj91jjlbd2cc2x";
      propagatedBuildInputs = [
        swag
      ];
    };
  
    jsonreference = buildFromGitHub {
      version = 2;
      owner = "go-openapi";
      repo = "jsonreference";
      rev = "36d33bfe519efae5632669801b180bf1a245da3b";
      date = "2016-11-05";
      sha256 = "0xqaz9kwlwj205ma9z7dm3j5ad2cl2cs0mvs3xqw3mvd6p0dmg7h";
      propagatedBuildInputs = [
        jsonpointer
        purell
      ];
    };
  
    jsonx = buildFromGitHub {
      version = 2;
      owner = "jefferai";
  