method

validates_absence_of

rails latest stable - Class: ActiveRecord::Validations::ClassMethods

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 also considered not present if it is marked for destruction.

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

# 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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