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don't do that (Score:1)
Like the other said, use die.
Also, consider using Try::Tiny to replace eval. It's a very small, VERY helpful tweak to how eval works.
I have seen exactly one library on the CPAN that uses the "return undef and set $@" pattern. It is bizarre and annoying, and not like anything else. When I mentioned it to a coworker, he sputtered and said something like, "WHY WOULD THEY DO THAT???"
Don't be that guy!
rjbs
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