mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Overloaded metaclass __or__ does not keep typing
- Fails to properly narrow types on enums that have an __init__
- Analysis time binding of restricted `Generic`s
- no error when unhashable object in dict
- Literal composition
- isinstance check widens type
- update `ellipsis` type
- generic fails to narrow, something to do with using `NoReturn` on contravariant generic
- Mypy doesn't seem to use types from @overload-ed __sub__
- (🐞) false narrowing with reassignment in loop
- Docs
- Python not yet supported