Hello simple question for sure what is the meaning of the ? in
def aaa?() regards António -- You received this message because you are subscribed to the Google Groups "elixir-lang-talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-talk+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-talk/CAEM0BxPu0w0pCpuNXzktOUUwpymxH7cyTTu3EgUePtKOX86vJA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
