Learning the ropes: understanding Python generics — David Seddon

[EuroPython 2023 — North Hall on 2023-07-20] https://ep2023.europython.eu/session/... What if you don't want a Cat to be an Animal? What is the Liskov Substitution Principle? And what on earth is contravariance? Discover the answers to these questions and more, as we explore the foundations of generic types in Python. And by the end, you might even understand the weirder errors that Mypy sometimes throws your way. Talk Slides: ➡️ https://docs.google.com/presentation/... This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License http://creativecommons.org/licenses/b...