mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- “Cannot infer type of lambda” using default parameter to recapture loop variable
- set.__and__ false-positive involving generic inference
- `warn-unused-ignores` errors don't have a column number
- Put the .mypy_cache directory near the project configuration file instead of at the current working directory
- Enums and Literals: false positive with `@overload`/`def method(self: Literal[SYMBOL], ...):`
- Function signature hook returning a union
- Odd behavior with overload and `Any` arguments.
- `generics`: isinstance reports false positives and false negatives
- Specialize empty collections to Any as a fallback
- Eager narrowing to `Literal` when possible
- Docs
- Python not yet supported