So you could:



sub name {
  die 'ref arg required in void context' if ! defined wantarray and ! 
+ref $_[0];
  my ($arg) = @_;
  if (ref $arg) {
    $$arg = 'x';
    return;
  }

  return 'x';
}

[download]

as a check that you've got a ref param in void context.

Perl is Huffman encoded by design.

In reply to Re^3: Scalar and void subroutines by GrandFather
in thread Scalar and void subroutines by eff_i_g

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