anchor.diff:  
   %% @doc Similar to `get_value(Key, List, <<>>)' but converting the result into
   %% a `binary()'.
  --spec get_binary(term(), list()) -> 
  +-spec get_binary(term(), list()) ->
       binary().
   
   get_binary(Key, List) ->
  
positive.code:     end.
  
  
  -spec to_map(list()|map()) -> 
      map().
  
  to_map(M) when is_map(M) -> 
      M;
  to_map(L) when is_list(L) -> 
      L1 = lists:map(
          fun(T) ->
              case T of
  
negative.code: 
  
  %% @doc Equivalent to `proplists:get_value/2' but faster.
  -spec get_value(term(), list()) ->
      term().
  
  get_value(Key, List) ->
  