Several good ideas!

Calling testSign directly as a subroutine works

print &Parent::testSign()  # 1 eq OK

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Showing that the subroutine/method is defined in Parent, but the method invocation does not dispatch to Parent.

In reply to Re^2: Failing inheritance or what can make a Child disinherited ? by guha
in thread Failing inheritance or what can make a Child disinherited ? by guha

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