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Module: ActiveModel::Attributes::ClassMethods

Relationships & Source Files
Defined in: activemodel/lib/active_model/attributes.rb

Instance Method Summary

Instance Method Details

#attribute(name, cast_type = nil, default: nil, **options)

Defines a model attribute. In addition to the attribute name, a cast type and default value may be specified, as well as any options supported by the given cast type.

class Person
  include ActiveModel::Attributes

  attribute :name, :string
  attribute :active, :boolean, default: true
end

person = Person.new
person.name = "Volmer"

person.name   # => "Volmer"
person.active # => true
[ GitHub ] 

  


# File 'activemodel/lib/active_model/attributes.rb', line 59



def attribute(name, ...)
  super
  define_attribute_method(name)
end


  








  

    #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"]


  



  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attributes.rb', line 74



def attribute_names
  attribute_types.keys
end