method

attribute_changed?

rails latest stable - Class: ActiveModel::Dirty

attribute_changed?(attr_name, **options)

public

Dispatch target for {*_changed?}[rdoc-label:method-i-2A_changed-3F] attribute methods.

# File activemodel/lib/active_model/dirty.rb, line 293
    def attribute_changed?(attr_name, **options)
      mutations_from_database.changed?(attr_name.to_s, **options)
    end

attribute_changed?

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