instance method `attribute_method?`

Ruby on Rails 6.1.7.10

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

attribute_method?(attribute)

Returns true if attribute is an attribute method, false otherwise.

class Person
  include ActiveModel::Validations

  attr_accessor :name
end

User.attribute_method?(:name) # => true
User.attribute_method?(:age)  # => false

Parameters

attribute req

Source

# File activemodel/lib/active_model/validations.rb, line 270
      def attribute_method?(attribute)
        method_defined?(attribute)
      end

Defined in activemodel/lib/active_model/validations.rb line 270 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Validations::ClassMethods

Signature

Parameters