anchor.diff:    };
   
     sets = buildFromGitHub {
  -    rev = "0.0.0";
  +    rev = "6c54cb57ea406ff6354256a4847e37298194478f";
       owner  = "feyeleanor";
       repo   = "sets";
  -    sha256 = "00yzxisz9wfl51dgpg2a06gw8asm5f5zd2g3914qpdxi8z8cw1rg";
  +    sha256 = "11gg27znzsay5pn9wp7rl427v8bl1rsncyk8nilpsbpwfbz7q7vm";
       date = "2013-02-27";
       propagatedBuildInputs = [
         slices
  
positive.code:   };
  
    text = buildFromGitHub {
      rev = "0.0.0";
      date = "2016-04-17";
      owner = "golang";
      repo = "text";
      sha256 = "1i0w30qa31dywvqb2v7x5761nff4br6p586b1kv44ih2ysnay7yp";
      goPackagePath = "golang.org/x/text";
      goPackageAliases = [ "github.com/golang/text" ];
    };
  
    tools = buildFromGitHub {
      rev = "0.0.0";
      date = "2016-04-14";
      owner = "golang";
      repo = "tools";
      sha256 = "18334vlp8nsm5fbwmcam7ijn07yy6cz6fdfzza904dw98n8kmjn5";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  
negative.code:   };
  
    go-radix = buildFromGitHub {
      rev = "4239b77079c7b5d1243b7b4736304ce8ddb6f0f2";
      owner  = "armon";
      repo   = "go-radix";
      sha256 = "0b5vksrw462w1j5ipsw7fmswhpnwsnaqgp6klw714dc6ppz57aqv";
      date = "2016-01-15";
    };
  
  