sub val : lvalue  { $_[0]->{val}->{one} }

[download]
change it to: 
sub val : lvalue  
{ 
  $_[0]->{val}->{one} = undef unless exists $_[0]->{val}->{one};
  $_[0]->{val}->{one};
}

[download]

In reply to Re: lvalue trickery by Anonymous Monk
in thread lvalue trickery by broquaint

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