In which Nadia and Saron discuss defining conversion functions (4.8) and replacing "string typing" with classes (4.9).

Links

Thoughtbot on Polymorphism in Ruby

In which Nadia and Saron discuss defining conversions to user-defined types (4.5), using built-in conversion functions (4.6), and taking a closer look at the Array() conversion function (4.7).

In which Nadia and Saron discuss how to conditionally call conversion methods (4.3) and how to define your own conversion protocols (4.4).

Links

Peter Saxton's Domain Driven Design blog series

In which Saron and Nadia discuss the introduction to the 'Collecting Input' section (4.1) and look at using built-in conversion protocols (4.2).

In which Saron and Nadia discuss how the Ruby Book Club came to be and discuss the foreword (chapter 1) and introduction (chapter 2) to Avdi Grimm's 'Confident Ruby'. They also discuss Chapter 3, 'Performing Work'.

Links

Confident Ruby

Practical Object-Oriented Design in Ruby