instance method `changed?`

Ruby on Rails 6.1.7.10

Since v5.2.8.1

Available in: 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:

changed?(old_value, new_value, _new_value_before_type_cast)

Determines whether a value has changed for dirty checking. old_value and new_value will always be type-cast. Types should not need to override this method.

Parameters

old_value req
new_value req
_new_value_before_type_cast req

Source

# File activemodel/lib/active_model/type/value.rb, line 72
      def changed?(old_value, new_value, _new_value_before_type_cast)
        old_value != new_value
      end

Defined in activemodel/lib/active_model/type/value.rb line 72 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Type::Value

Signature

Parameters