anchor.diff:      buildPackages = buildPackages // { stdenv = gcc8Stdenv; };
     });
   
  -  go = go_1_14;
  +  go = go_1_15;
   
     go-repo-root = callPackage ../development/tools/go-repo-root { };
   
  
positive.code:     go = buildPackages.go_1_15;
    };
  
    buildGoPackage = buildGo114Package;
  
    buildGo114Module = callPackage ../development/go-modules/generic {
      go = buildPackages.go_1_14;
  
negative.code:     go = buildPackages.go_1_15;
    };
  
    buildGoModule = buildGo115Module;
  
    go2nix = callPackage ../development/tools/go2nix { };
  
  