That code seems to come from chapter 1 of the book Higher-Order Perl. In the book, it's accompanied by a detailed explanation, and a simpler example.

I hope it wouldn't be out of line to suggest that you might understand the code better if you had the book.

--
Mark Dominus
Perl Paraphernalia

In reply to Re: cannot follow hanoi subroutine by Dominus
in thread cannot follow hanoi subroutine by convenientstore

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