Maybe use around? 

around 'now' => sub {
  my $orig = shift;
  my $self = shift;

  return $self->$orig( @_ ) + 0;
}

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The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: Moose - ensuring a getter returns a number by Fletch
in thread Moose - ensuring a getter returns a number by perl5ever

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