undefine_attribute_methods

undefine_attribute_methods()

Instance Public methods

Removes all the previously dynamically defined methods from the class.

class Person
  include ActiveModel::AttributeMethods
 
  attr_accessor :name
  attribute_method_suffix '_short?'
  define_attribute_method :name
 
  private
 
  def attribute_short?(attr)
    send(attr).length < 5
  end
end
 
person = Person.new
person.name = 'Bob'
person.name_short? # => true
 
Person.undefine_attribute_methods
 
person.name_short? # => NoMethodError

Links:

https://github.com/rails/rails/blob/a6da73f975892635e6a0bcbfe8eb8410fcbb07a4/activemodel/lib/active_model/attribute_methods.rb#L324

doc_ruby_on_rails

2025-01-10 15:47:30

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