September 2002
Intermediate to advanced
496 pages
10h
English
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Summary
This chapter discussed the topic of Perl references. A reference is a pointer—the address of a piece of data of arbitrary size. Perl references are the cornerstone of advanced Perl constructions, including lists of lists, higher dimensional arrays, and arbitrarily complex data structures, all of which we have seen in this chapter. We also were exposed to anonymous data structures of various types.