              }, code='unique')
  
      def __repr__(self):
          return '<%s(queryset=%s, field=%s, date_field=%s)>' % (
              self.__class__.__name__,
              smart_repr(self.queryset),
 
</s>
    def __eq__(self, other):
        if not isinstance(other, self.__class__):
            return NotImplemented
        return (self.message == other.message
                and self.missing_message == other.missing_message
                and self.requires_context == other.requires_context
                and self.queryset == other.queryset
                and self.field == other.field
                and self.date_field == other.date_field
                )

              }, code='unique')
  
    def __eq__(self, other):
        if not isinstance(other, self.__class__):
            return NotImplemented
        return (self.message == other.message
                and self.missing_message == other.missing_message
                and self.requires_context == other.requires_context
                and self.queryset == other.queryset
                and self.field == other.field
                and self.date_field == other.date_field
                )

      def __repr__(self):
          return '<%s(queryset=%s, field=%s, date_field=%s)>' % (
              self.__class__.__name__,
              smart_repr(self.queryset),
keep add keep keep keep keep
 Implement `__eq__` for validators (#8925)

* Implement equality operator and add test coverage

* Add documentation on implementation
rest_framework/validators.py