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  1. or download this
    $rc = func();
if ($rc != 0) {
  die "Failed to func!";
}
  2. or download this
    eval {
  func();
...
if ($@) {
  die "Failed to func: $@";
}
  3. or download this
    use Error::Handler;
$rc = func();
if (not $rc->ok()) {
  die $rc->error_msg();
}
  4. or download this
    $rc = func();
if ($rc != 0) {
  die "Failed to func!";
}