YAML in Rails

# any.rb
YAML.load_file("config/company_categories.yml").fetch(:lv1).map { |cat_hash| OpenStruct.new(cat_hash) }

# config/company_categories.yml
:lv1:
  -
    :id: ap
    :name: Animals & Pet Supplies
  -
    :id: aa
    :name: Apparel & Accessories