From 97e5ab22f66d0b70643ac2b6d76aef55a5122746 Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Wed, 20 Jun 2012 13:44:32 +0900
Subject: add Module#{attr,attr_reader,attr_writer,attr_accessor}; close #257

---
 mrblib/class.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 mrblib/class.rb

diff --git a/mrblib/class.rb b/mrblib/class.rb
new file mode 100644
index 000000000..9c3ef91fd
--- /dev/null
+++ b/mrblib/class.rb
@@ -0,0 +1,24 @@
+class Module
+  # 15.2.2.4.13
+  def attr_reader(*names)
+    names.each{|name|
+      define_method(name){self.instance_variable_get(name)}
+    }
+  end
+  # 15.2.2.4.14
+  def attr_writer(*names)
+    names.each{|name|
+      aset = (name.to_s+"=").intern
+      define_method(aset){|v|self.instance_variable_set(name,v)}
+    }
+  end
+  # 15.2.2.4.12
+  def attr_accessor(*names)
+    attr_reader(*names)
+    attr_writer(*names)
+  end
+  # 15.2.2.4.11
+  def attr(name)
+    attr_reader(name)
+  end
+end
-- 
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