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dbrattli / Expression

Functional programming for Python
https://expression.readthedocs.io
MIT License
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Make Option covariant #190

Closed dbrattli closed 2 weeks ago

dbrattli commented 8 months ago

Trying to make Option covariant. This type checks, but there could be false negatives since you can never really trust type checkers in Python.

Fixes #171, #221