From 450f7cf01b855b536416fc048a92c4309da2492e Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Tue, 22 Mar 2011 20:11:36 -0300
Subject: use class_eval with a string when it's possible

---
 activerecord/lib/active_record/attribute_methods/write.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'activerecord/lib/active_record/attribute_methods/write.rb')

diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb
index 832f2ed408..3c4dab304e 100644
--- a/activerecord/lib/active_record/attribute_methods/write.rb
+++ b/activerecord/lib/active_record/attribute_methods/write.rb
@@ -10,8 +10,12 @@ module ActiveRecord
       module ClassMethods
         protected
           def define_method_attribute=(attr_name)
-            generated_attribute_methods.send(:define_method, "#{attr_name}=") do |new_value|
-              write_attribute(attr_name, new_value)
+            if attr_name =~ /^[a-zA-Z_]\w*[!?=]?$/
+              generated_attribute_methods.module_eval("def #{attr_name}=(new_value); write_attribute('#{attr_name}', new_value); end", __FILE__, __LINE__)
+            else
+              generated_attribute_methods.send(:define_method, "#{attr_name}=") do |new_value|
+                write_attribute(attr_name, new_value)
+              end
             end
           end
       end
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