toss.ex

defmodule Toss do
  def loop(state, parent) do
    receive do
      :die ->
        send(parent, :dead) #
      _ ->
        IO.puts "hello from loop - #{state}"
        send(parent, state) #
        loop(state+1, parent)
    end
  end

  def init do
    initial_state = 0
    pid = self()
    spawn_link(
      fn -> loop(initial_state, pid) end
    )
  end
end

# usage - open iex
# Toss.init