The tutorial states that Case 1 will generate errors:
Case 1: Because our module exports nothing by default we get errors...

When I run Case 1, I get this error, as expected: 

Undefined subroutine &main::func1 called at ...

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Case 3 will also generate an error; Cases 2 and 4 should work properly.

In reply to Re^3: how to write a module by toolic
in thread how to write a module by baxy77bax

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