Going Deeper
I've covered a lot of ground in this chapter, from packages to modules to importing, to how Perl actually looks at code at various times. Much of what I've discussed in this chapter is the tip of the iceberg. Packages and modules, in particular, could fill up entire books of their own, and the short description of object orientation is barely even enough to get started.
We'll go a little deeper into a few of these topics later in this book. Other topics, however, including developing your own packages and just about everything to do with creating modules, are best left to the advanced Perl programmer, and as such are outside the scope of this book. After finishing the 21 days of this course, consider exploring modules and packages ...
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