in reply to Automatically add all defined functions to your @EXPORT

Note - if you're wanting to generalize this to any package name, you would do something like : 
my @function_names =
  grep {
      !/^_/ && /^[a-z_]+$/
  } grep {
      exists &{${ $CLASS . '::'}{$_}}
  } keys %{ $CLASS . '::'};

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My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In Section Cool Uses for Perl