-module(listener).

-export([listen/1]).

listen(Func) -> spawn(fun () -> Func(), loop() end).

loop() ->
  receive
    stop_it ->
      io:format("Listener ~w exiting now.~n", [self()]);
    Message ->
      io:format("Listener ~w got: ~w~n", [self(), Message]),
      loop()
  end.