Alias Object#instance_variable_names to Object#instance_variables for…

… Ruby 1.8.x
rails · Apr 21, 2008 · 6dbe90d · 6dbe90d
1 parent a04f022
commit 6dbe90d
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb
@@ -33,8 +33,12 @@ def instance_values #:nodoc:
   #   end
   #   
   #   C.new(0, 1).instance_variable_names # => ["@y", "@x"]
-  def instance_variable_names
-    instance_variables.map(&:to_s)
+  if RUBY_VERSION >= '1.9'
+    def instance_variable_names
+      instance_variables.map(&:to_s)
+    end
+  else
+    alias_method :instance_variable_names, :instance_variables
   end
 
   # Copies the instance variables of +object+ into +self+.