From 68967b1e630a3e77d4c0b1a4249a7890d14c3481 Mon Sep 17 00:00:00 2001
From: Martin Frost <frost@ceri.se>
Date: Fri, 2 Oct 2015 20:45:53 +0200
Subject: [PATCH] Comment Ecto.Type module generating code

---
 lib/isn.ex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/isn.ex b/lib/isn.ex
index d36b171..007453e 100644
--- a/lib/isn.ex
+++ b/lib/isn.ex
@@ -55,9 +55,12 @@ defmodule Isn do
     do: binary
 end
 
+# Generate Ecto.Type modules for all supported data types in the `isn`
+# postgresql module.
 for module <- ~w(ISBN ISMN ISSN ISBN13 ISMN13 ISSN13 UPC EAN13) do
   module_name = Module.concat([Isn, module])
   ecto_type = module |> String.downcase |> String.to_atom
+
   defmodule module_name do
     @behaviour Ecto.Type