What about:

sub foo {
   my $self  = shift;          # What would be in the slice.
   my $extra = $extra{$self};  # The hidden stuff.

   ...
}

DESTROY {
   delete($extra{$self});
}

[download]

No magic, so it's reliable.

In reply to Re: (Expert) Splicing a slice by ikegami
in thread (Expert) Splicing a slice by dragonchild

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