Added an exception if calling id on nil to WhinyNil #584 [kevin-temp@writesoon.com]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1472 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added an exception if calling id on nil to WhinyNil #584 [kevin-temp@writesoon.com]
+
 * Added Fix/Bignum#multiple_of? which returns true on 14.multiple_of?(7) and false on 16.multiple_of?(7) #1464 [Thomas Fuchs]
 
 * Added even? and odd? to work with Bignums in addition to Fixnums #1464 [Thomas Fuchs]

activesupport/lib/active_support/whiny_nil.rb

@@ -18,6 +18,10 @@ class NilClass
       @@method_class_map[method.to_sym] = klass
     end
   end
+  
+  def id
+    raise "Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id"
+  end
 
   private
     def method_missing(method, *args, &block)