Yaml Output in Rails Console

yaml output rails console

1) rails c
2) YAML::ENGINE.yamler = 'syck'
3) y @user.participant

--- !ruby/object:Participant 
attributes: 
  id: 9
  employee_hashed_ssn: "hashed ssn: 00001"
  ch_member_id: 100
  first_name: Test Employee 00001
  middle_initial: 
  last_name: Employee Last 00001
  birth_date: 1992-12-13
  gender: 

--- OR ---

1) rails c
2) pp @user.attributes
{"id"=>11,
 "email"=>"tesu@domain.com",
 "crypted_password"=>
  "2944a302ab0437b22f70b8367db9affbf9c7b4cfe9d411dcf7177e46be345168d124be9975683d545d347dda169af8963d8a8119a41fae064ec20427df1988c4",
 "password_salt"=>"K9N2qnhfte1evnEwiY0",
 "created_at"=>Thu, 13 Dec 2012 19:33:24 UTC +00:00,
 "updated_at"=>Thu, 13 Dec 2012 19:33:24 UTC +00:00,
 "birth_date"=>Sat, 13 Dec 1997 19:33:23 UTC +00:00,
 "hashed_ssn"=>nil,
 "admin"=>nil,
 "last_login_at"=>nil}