instance method
validates_absence_of
Ruby on Rails edge
Since v5.0.7.2Signature
validates_absence_of(*attr_names)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.
Parameters
-
attr_namesrest
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
Defined in activerecord/lib/active_record/validations/absence.rb line 20
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Defined in ActiveRecord::Validations::ClassMethods