How to use OpenHash in Rails 3

openhash_in_rails3

## UPDATE 2010-12-14: facets-2.9.0 and hashery-1.3.0 doesn't work with rails 3.0.3 (due to a bug of facets):
## https://github.com/rubyworks/hashery/issues#issue/6
## https://github.com/rubyworks/facets/issues/issue/31

## in your Gemfile

gem "facets"
gem "hashery"

## then execute in the shell

bundle install

## test it

$ rails console
Loading development environment (Rails 3.0.3)
ruby-1.9.2-p0 > OpenHash
 => OpenHash 
ruby-1.9.2-p0 > movie = OpenHash.new
 => {} 
ruby-1.9.2-p0 > movie.director = "Steven Spielberg"
 => "Steven Spielberg"
ruby-1.9.2-p0 > movie.director
 => "Steven Spielberg"
ruby-1.9.2-p0 > movie[:director]
 => "Steven Spielberg"