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sub sortmaker {
  my $order = shift;
  my $sub = $order ? sub { $a <=> $b } : sub {$b <=> $a};
  return $sub;
}

sub sortmaker {
  my $order = shift;
  my $clause = $order ? '$a <=> $b' : '$b <=> $a';
  my $sub= eval "sub { $clause}";  # create the coderef
  return $sub;                                # explicitely return it
}