Methods

Instance Public methods

attribute(name, type = Type::Value.new, **options)

📝 Source code 
# File activemodel/lib/active_model/attributes.rb, line 19
      def attribute(name, type = Type::Value.new, **options)
        name = name.to_s
        if type.is_a?(Symbol)
          type = ActiveModel::Type.lookup(type, **options.except(:default))
        end
        self.attribute_types = attribute_types.merge(name => type)
        define_default_attribute(name, options.fetch(:default, NO_DEFAULT_PROVIDED), type)
        define_attribute_method(name)
      end
🔎 See on GitHub

attribute_names()

Returns an array of attribute names as strings

class Person
  include ActiveModel::Attributes

  attribute :name, :string
  attribute :age, :integer
end

Person.attribute_names
# => ["name", "age"]
📝 Source code 
# File activemodel/lib/active_model/attributes.rb, line 40
      def attribute_names
        attribute_types.keys
      end
🔎 See on GitHub