TSa Thomas.Sandlass-at-vts-systems.de |Perl 6| wrote:

So again the question: are back refs from the value to the containers
required to implement Perl 6? I guess not.

If I understand what you are saying, I agree.  You can only go from some
container to a value, not the opposite direction, and can't tell if the
object is held by more than one container.

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