Method: ActiveModel::Attributes#attribute_names

Defined in:

activemodel/lib/active_model/attributes.rb

#attribute_names ⇒ Object

Returns an array of attribute names as strings.

class Person
  include ActiveModel::Attributes

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

person = Person.new
person.attribute_names # => ["name", "age"]

# File 'activemodel/lib/active_model/attributes.rb', line 146

def attribute_names
  @attributes.keys
end