anchor.diff:  pforeach_f(Parent, Ref, Fun, X) -> catch Fun(X), Parent ! Ref.
   
   %%--------------------------------------------------------------------
  +%% @private
   %% @doc
   %% Joins pforeach processes.
   %% @end
  
positive.code: pmap_f(Parent, Ref, Fun, X) -> Parent ! {self(), Ref, (catch Fun(X))}.
  
  %%--------------------------------------------------------------------
  %% @doc
  %% Gathers the results of pmap.
  %% @end
  
negative.code:     end.
  
  %%--------------------------------------------------------------------
  %% @private
  %% @doc
  %% Runs a function on X and signals parent that it's done.
  %% @end
  