From 2a857b0b1c7e98bc2b291487d21c966158b4d704 Mon Sep 17 00:00:00 2001
From: Gaurav Agarwal <algogrit@gmail.com>
Date: Wed, 20 Mar 2024 12:47:05 +0530
Subject: [PATCH] Echo process with IO.write compatibility.

---
 examples/07-processes/echo.exs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 examples/07-processes/echo.exs

diff --git a/examples/07-processes/echo.exs b/examples/07-processes/echo.exs
new file mode 100644
index 0000000..bdfda57
--- /dev/null
+++ b/examples/07-processes/echo.exs
@@ -0,0 +1,22 @@
+defmodule Echo do
+  def start do
+    {:ok, echo_pid} = Task.start fn -> loop() end
+    Process.register(echo_pid, :echo)
+    echo_pid
+  end
+
+  def loop do
+    receive do
+      {:io_request, caller, reply_as, msg} ->
+        IO.inspect msg
+        send(caller, {:io_reply, reply_as, msg})
+        loop()
+      msg ->
+        IO.inspect msg
+        loop()
+    end
+  end
+end
+
+Echo.start
+# IO.write(:echo, "hello")