Using davorg's little quoting nice-ness with a bit of finessing, we get: 
sub someFunc {
  my $i;
  local $";
  for (qw( this that otherfield )) {
    die "$_ is undef" unless defined $_[$i++];
  }
  "@_";
}

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japhy -- Perl and Regex Hacker

In reply to Re: Re: Maintaining strict refs while Binding a set of variables to @_ or dying if they are not defined by japhy
in thread Maintaining strict refs while Binding a set of variables to @_ or dying if they are not defined by princepawn

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