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All the Perl that's Practical to Extract and Report

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  • I didn't mention the glob prototype because I want to discourage the use of barewords.

    • There is an omission in your list of good reasons to use prototypes.

      A final good reason to use prototypes is in a comparison sub. If you pass sort a subroutine with ($$) as a prototype then it passes the arguments in @_ rather than setting $a and $b in the package that sort was called from. If you're setting up a sort in a different package than you're calling sort in, this can be a lifesaver.

      This may seem like an obscure boundary case, but I've personally found it to be the most common reason why I've us