From 4a8ebf45bc6644e509607e1f87833061e2e56ad7 Mon Sep 17 00:00:00 2001
From: Russell Osborne <russell@burningpony.com>
Date: Mon, 19 Sep 2016 23:28:16 -0400
Subject: [PATCH] Adding documentation to Translations class

---
 lib/countries/translations.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/countries/translations.rb b/lib/countries/translations.rb
index 6463d4136..eca88f190 100644
--- a/lib/countries/translations.rb
+++ b/lib/countries/translations.rb
@@ -1,4 +1,9 @@
 module ISO3166
+  # Extend the hash class to allow locale lookup fall back behavior
+  #
+  # ex:
+  # if a country has translations for pt, and the user looks up `pt-br` fallback
+  # to `pt` to prevent from showing nil values
   class Translations < Hash
     def [](locale)
       super(locale) || super(locale.sub(/-.*/, ""))