technoweenie/tainted_hash — pull request #1 by r38y (2012-03-19 19:11:40+00:00)
Title: Make the wrapper work in Rails3

In Rails3, @_params is only set when params is called so it is nil by default. Using the params method returns something like a hash so there isn't an error. I don't know for sure but I think this will work in Rails2 as well.