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as others said already, in MyNumber, you have implemented the method add different from the one in SomeData. you have to decide which one you want.

also, in the new method of SomeData, you have a little error. if you do
sub new { bless \pop, shift }
it's like doing
sub new { bless \42, "MyNumber" }
and you can't bless a constant into an object. so do my $arg = pop; bless \$arg, shift


In reply to Re: inheritance turns back and bites by tinita
in thread inheritance turns back and bites by dada

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