Initial upload

elixir/take-a-number/lib/take_a_number.ex

@@ -0,0 +1,24 @@
+defmodule TakeANumber do
+  def start() do
+    spawn(fn -> loop(0) end)
+  end
+
+  defp loop(state) do
+    receive do
+      {:report_state, sender_pid} ->
+        send(sender_pid, state)
+        loop(state)
+
+      {:take_a_number, sender_pid} ->
+        state = state + 1
+        send(sender_pid, state)
+        loop(state)
+
+      :stop ->
+        nil
+
+      _ ->
+        loop(state)
+    end
+  end
+end