Sam Jones   |  @samjonester

Life After Nil

There are murmurs that a type system will be coming to Ruby. Before that happens, you should get informed about what is hot in the current type system market. Haskell is known for its type system, but instead of describing it with dense language, let’s take a journey through code examples. Throughout our trip, we will avoid scary buzzwords like “monad” and “algebraic data type” because, honestly, what good is a formal definition when you don’t understand the power behind the concept?

We will compare solutions in Ruby to solutions in Haskell, and each stop on our trip will introduce a new mind-blowing paradigm brought to you by Haskell’s type system. You will learn about type systems through a non-threatening story, and you’ll understand the value a type system can bring to your code. Key stops on our route will be “forget about nil”, “declaratively model your domain”, and “allow your compiler to drive your design”.

The video above was recorded at CodeMash on January 12, 2017.


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