Gradual Typing in Python
summary
Gradual typing combines static and dynamic typing so you can choose which parts of Python use compile-time vs runtime type checks. The talk explains Type Hints from PEP 483 and PEP 484 and demonstrates using mypy and Python annotations to document code, catch bugs earlier, improve error messages and IDE features (autocomplete, validation, refactoring), and potentially improve performance.
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chapters (10)
- 0:00Introduction
- 1:32Static vs dynamic types
- 6:28Gradual typing origin
- 9:18Gradual typing in Python
- 11:05Python type annotations
- 13:11Function and class types
- 15:44Collection and tuple types
- 17:10Type variables and generics
- 19:20Typing tools and benefits
- 20:02Typing benefits and future
