Type Classes from the Ground up

Implement csv-parsing examples inspired by Nicolas Rinaudo's talk at Scalar online conference in May 2020 (https://scalar-conf.com/) This is a step-by-step implementation, each step as a small improvement to the previous one.

See Nicolas' talk and slides:

• Talk: https://www.youtube.com/watch?v=3BM4IEziqIM
• Slides: https://nrinaudo.github.io/type-classes-from-the-ground-up/
• Blog: https://nrinaudo.github.io/typeclasses/