Not that weird, it returns a lexical scalar variable for the slot. But without polluting the namespace with the dummy name $o, cause the scope is limited.

Sure its weird to write  do { my $o} when it could write undef or "DUMMY" or "fix" or "V: $VAR1->{a}" or any other string

In reply to Re^6: doubts about Data::Dumper output by Anonymous Monk
in thread doubts about Data::Dumper output by Discipulus

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