Perl for Newbies, Lecture No. 3 : Modules and Objects

Contents

• 1. Introduction
  • 1.1. References to Functions
  • 1.2. Modules and Packages
  • 1.3. Objects
  • 1.4. A Note about Source Files
• 2. References to Functions
  • 2.1. Taking the Reference of a Function
  • 2.2. Calling a Function by its Reference
  • 2.3. Dynamic References to Functions
    • 2.3.1. Behaviour of Functions inside Functions
    • 2.3.2. Demo: A Dispatch Function
    • 2.3.3. Lambda Calculus
• 3. Perl Modules
  • 3.1. Declaring a Package
    • 3.1.1. Where to find a module
  • 3.2. Loading Modules and Importing their Functions
    • 3.2.1. Accessing Functions from a Different Module
    • 3.2.2. Exporting and Importing Functions
    • 3.2.3. Using Variables from a Different Namespace
  • 3.3. BEGIN and END
  • 3.4. The "main" Namespace
  • 3.5. Difference between Namespaces and Modules
• 4. Objects in Perl
  • 4.1. How it Works behind the Scenes
  • 4.2. Object Use
    • 4.2.1. Calling the Methods of an Object
  • 4.3. Making Your Own Objects
    • 4.3.1. The Constructor
    • 4.3.2. Defining Methods
    • 4.3.3. Object Inheritance
      • 4.3.3.1. Calling Overriden Methods of Base Classes
    • 4.3.4. The Destructor
  • 4.4. Object Utility Functions - isa() and can()
• 5. Finale
  • 5.1. Links and References

Licence

This work is licensed under the Public Domain.

Written by Shlomi Fish

Made with Quad-Pres