May 2020
Intermediate to advanced
296 pages
4h 11m
English
References are a powerful feature of Perl which allow you to perform several advanced operations. For example, to create complex data structures, such as arrays of arrays and hashes of hashes, you need to use references. This chapter will cover what references are as well as how to use references for different advanced operations.
Important note
Understanding references is critical to understanding how to make "multi-dimensional arrays", "multi-dimensional hashes", object-oriented Perl programs, as well as other advanced Perl features. This chapter focuses ...