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  1. or download this
    sub my_find_or_create {
  # ...
...
  # ...
  return $new_result;
}
  2. or download this
    return $x if (defined (my $x=foo()));
# or
defined (my $x = foo()) && return $x;
  3. or download this
    if (defined (my $x=foo())) { return $x }