From 7c49d56ce679d658f9a279e7975208ef6576e57f Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 1 Sep 2014 16:58:04 +0900
Subject: attr_reader and attr_writer should return nil

---
 mrblib/class.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mrblib/class.rb b/mrblib/class.rb
index ebfb1f76d..ebb44ca4c 100644
--- a/mrblib/class.rb
+++ b/mrblib/class.rb
@@ -8,6 +8,7 @@ class Module
       attr_name = '@'+name
       define_method(name){self.instance_variable_get(attr_name)}
     end
+    nil
   end
   # 15.2.2.4.14
   def attr_writer(*names)
@@ -19,6 +20,7 @@ class Module
       name = (name+"=").intern
       define_method(name){|v|self.instance_variable_set(attr_name,v)}
     end
+    nil
   end
   # 15.2.2.4.12
   def attr_accessor(*names)
-- 
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