The purpose of this tutorial is to give a general overview of what an iterator is, why they are useful, how to build one, and things to consider to avoid common pitfalls. It is intended to give the reader enough information to begin using iterators though a certain level of understanding is assumed. The See Also section should be researched if supplemental information is needed.
The standard Perl distribution comes with a debugger, although it's really just another Perl program, perl5db.pl. Since it is just a program, I can use it as the basis for writing my own debuggers to suit my needs, or I can use the interface perl5db.pl provides to configure its actions. That's just the beginning, though. read more...
Comments