Do not define methods if they're already defined

MSch · Apr 11, 2013 · 71c1acb · 71c1acb
1 parent cdda520
commit 71c1acb
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/lib/resque/core_ext/hash.rb b/lib/resque/core_ext/hash.rb
@@ -4,15 +4,15 @@ def symbolize_keys
       options[(key.to_sym rescue key) || key] = value
       options
     end
-  end
+  end unless Hash.respond_to?(:symbolize_keys)
 
   def symbolize_keys!
     self.replace(self.symbolize_keys)
-  end
+  end unless Hash.respond_to?(:symbolize_keys!)
 
   def slice(*keys)
     hash = self.class.new
     keys.each { |k| hash[k] = self[k] if has_key?(k) }
     hash
-  end
-end
+  end unless Hash.respond_to?(:slice)
+end