anchor.diff:  
     fingertree = callPackage ../development/libraries/haskell/fingertree {};
   
  -  gamma = callPackage ../development/libraries/haskell/gamma {};
  +  gamma = callPackage ../development/libraries/haskell/gamma {
  +    vector = self.vector_0_7_1;
  +  };
   
     gdiff = callPackage ../development/libraries/haskell/gdiff {};
   
  
positive.code: 
    tls = callPackage ../development/libraries/haskell/tls {};
  
    tlsExtra = callPackage ../development/libraries/haskell/tls-extra {};
  
    transformers_0_2_2_0 = callPackage ../development/libraries/haskell/transformers/0.2.2.0.nix {};
    transformers = self.transformers_0_2_2_0;
  
negative.code:   cryptoApi_0_7 = callPackage ../development/libraries/haskell/crypto-api/0.7.nix {};
    cryptoApi = self.cryptoApi_0_6_4;
  
    cryptocipher = callPackage ../development/libraries/haskell/cryptocipher {
       primitive = self.primitive_0_3_1;
       vector = self.vector_0_7_1;
    };
  
    cryptohash = callPackage ../development/libraries/haskell/cryptohash {};
  
  