Python Variadic Generics Pep 646 Intermediate Advanced Anthony Explains 433

Summary

today I talk about the addition of `typing.Self` in python3.11 and why it's useful as well as several workarounds for older today we introduce another typing / mypy concept: today we go over narrowings and `TypeGuard` -- which enables you to write your own user-defined narrowings! playlist: ... today I talk about explicit type aliases in 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 we go over the new syntax added in today we talk about the `Literal` type in today I talk about currying, show an example with pure today I talk about why mypy doesn't need an annotation for the first argument! - introduction to typing / mypy: ... today I show how to use importlib.metadata + setuptools entrypoints to build a small plugin system! playlist: ... today I go over an extremely common pitfall with pytest and a helpful fix to prevent this from happening to you! playlist: ...