Structural Subtyping In Python With Protocol Intermediate Anthony Explains 164

Summary

today I talk about one of my favorite additions to typing: today I talk about a common workaround for cyclic mypy types using today I talk about gradual typing, what that means for mypy, and the settings I tend to use when I'm adding types to a codebase ... today I talk about explicit type aliases in today we go over narrowings and `TypeGuard` -- which enables you to write your own user-defined narrowings! playlist: ... oops spoiler in the thumbnail it's str.partition, oh well -- I today I go over the brand-new and controversial `match` statement in today I talk about why I pick -˃ int for return values for main functions instead of -˃ None (which works)! - testable command lines: ... today we're back talking about typing in mypy -- I show you two ways to debug types during type checking as well as a hint about ... today we introduce another typing / mypy concept: generics! I show a few examples of how to write generic functions and generic ... today we talk about "soft" keywords and how they allow a growing programming language to evolve without breaking the world! today I show how to set up a virtualenv directly from the cpython source tree - virtualenv vs venv: youtu.be/MGTX5qI2Jts ...