Try putting another set of brackets around the ternary: 

sub value {
    my ($self) = @_;
    return ( 
        $self->{first},
        ( $self->{rest} ? $self->{rest}->value : () ) 
    );
}

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In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: enforcing list context by BrowserUk
in thread enforcing list context by billh

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