Type System Guides

Contents:

• Typing Python Libraries
  • Why provide type annotations?
  • How to provide type annotations?
  • How much of my library needs types?
  • Best Practices for Inlined Types
  • Compatibility with Older Python Versions
  • Non-Standard Type Behaviors
  • Docstrings
• Writing and Maintaining Stub Files
  • Tools for generating stubs
  • Tools for maintaining stubs
• Unreachable Code and Exhaustiveness Checking
  • Never and NoReturn
  • assert_never() and Exhaustiveness Checking
  • Marking Code as Unreachable
  • Detecting Unexpectedly Unreachable Code