method

validates_absence_of

v6.1.3.1 - Show latest stable - 0 notes - Class: ActiveRecord::Validations::ClassMethods

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What's this?

validates_absence_of(*attr_names) public

Validates that the specified attributes are not present (as defined by Object#present?). If the attribute is an association, the associated object is considered absent if it was marked for destruction.

See ActiveModel::Validations::HelperMethods.validates_absence_of for more information.

Show source

# File activerecord/lib/active_record/validations/absence.rb, line 20
      def validates_absence_of(*attr_names)
        validates_with AbsenceValidator, _merge_attributes(attr_names)
      end

validates_absence_of

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