anchor.diff:      sha256 = "05w4vlyglkzgwhfp2ini4yd3l8zblpx8b5sfsy649hzh8mm5v68p";
     };
   
  +  spec = buildFromGitHub {
  +    version = 2;
  +    date = "2017-04-13";
  +    rev = "e51c28f07047ad90caff03f6450908720d337e0c";
  +    owner  = "go-openapi";
  +    repo   = "spec";
  +    sha256 = "0vjwzncllssv75f6q2kpd1y0dfv6spk1zr2vsdsmr70cjpcicir9";
  +    propagatedBuildInputs = [
  +      jsonpointer
  +      jsonreference
  +      swag
  +    ];
  +  };
  +
     srslog = buildFromGitHub {
       version = 2;
       rev = "a974ba6f7fb527d2ddc73ee9c05d3e2ccc0af0dc";
  
positive.code:     owner = "rainycape";
      repo = "memcache";
      sha256 = "0585b0rblaxn4b2p5q80x3ynlcbhvf43p18yxxhlnm0yf0w3hjl9";
    };
  
    metrics = buildFromGitHub {
  
negative.code:     owner  = "thejerf";
      repo   = "suture";
      sha256 = "0jhzl8ihadxyw76h58ijwy73nh390knhkxlgnvfnsfwgf7irghd0";
    };
  
    swag = buildFromGitHub {
      version = 2;
      rev = "24ebf76d720bab64f62824d76bced3184a65490d";
      owner = "go-openapi";
      repo = "swag";
      sha256 = "0ly58lkcvbx0gk0gg374p48dqnd9krbsz8048f2y9scwhsh1bdys";
      date = "2017-04-24";
      propagatedBuildInputs = [
        easyjson
        yaml_v2
      ];
    };
  
    swift = buildFromGitHub {
  