Merge pull request atomvm#1023 from petermm/fix-1022

Fix: Elixir 1.16 Protocols

fixes atomvm#1022 - tested on device (esp32)

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

libs/exavmlib/lib/Code.ex

@@ -20,7 +20,24 @@
 
 defmodule Code do
   @compile {:autoload, false}
+  @moduledoc """
+  This module is to satisfy certain code loading checks in Elixir,
+  specifically with regards to protocols support.
+  The functions are noop, and doesn't perform the actual checks,
+  as they are not relevant on AtomVM.
+  """
 
+  @doc """
+  required for protocols to work with Elixir >= 1.16, due to code loading checks.
+  """
+  def ensure_compiled(module) do
+    {:module, module}
+  end
+
+  @doc """
+  previously required for protocols support, due to code loading checks.
+  """
+  @deprecated "Use Code.ensure_compiled/1 instead"
   def ensure_compiled?(_) do
     true
   end