anchor.diff:      api_call_json_result(Cred, Url).
   
   %% Repos
  +
  +-spec repo(credentials(), string()) -> result().
  +repo(Cred, RepoFullName) ->
  +    Url = make_url(repo, {RepoFullName}),
  +    api_call_json_result(Cred, Url).
   
   -spec repos(credentials(), map()) -> result().
   repos(Cred, Opts) ->
  
positive.code: make_url(user, {}) ->
      Url = ?GITHUB_API ++ "/user",
      io_lib:format(Url, []);
  
  %% Organizations
  make_url(orgs, {undefined}) ->
  
negative.code:          pull_req_comments/3,
           %% Users
           user/1,
           user/2,
           repo/2,
           repos/2,
           repos/3,
           all_repos/2,
  