List of Listings

Chapter 1. Bootstrapping your Ruby literacy

Listing 1.1. Simple, limited-purpose Celsius-to-Fahrenheit converter (c2f.rb)

Listing 1.2. Interactive temperature converter (c2fi.rb)

Listing 1.3. Temperature converter using file input (c2fin.rb)

Listing 1.4. Temperature converter with file output (c2fout.rb)

Listing 1.5. Rakefile defining clean_tmp tasks inside the admin namespace

Chapter 3. Organizing objects with classes

Listing 3.1. An instance variable maintaining its value between method calls

Listing 3.2. Ticket class, with the attribute reader/writer methods spelled out

Listing 3.3. Ticket class, with getter and setter methods defined via attr_* calls

Chapter 4. Modules and program organization

Listing 4.1. Stacklike module, encapsulating stacklike structure and behavior

Listing 4.2. Mixing the Stacklike module into the Stack class

Listing 4.3. Creating and using an instance of class Stack

Listing 4.4. A nonmodular rewrite of the Stack class

Listing 4.5. Using the Stacklike module a second time, for a different class

Listing 4.6. Demonstration of module inclusion and inheritance

Listing 4.7. Two same-named methods on a single search path

Listing 4.8. Mixing in two modules with a same-named method defined

Listing 4.9. Using the super keyword to reach up one level in the lookup path

Listing 4.10. Using super to wrap a method in a subclass

Listing 4.11. Sample usage of the Person class

Listing 4.12. Implementation of the main logic of the Person class