[red-knot] Narrowing - Not operator #13942
Merged
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Summary
After #13918 has landed, narrowing constraint negation became easy, so adding support for
not
operator.Test Plan
I added a new mdtest file for
not
expression, but maybe we should spread it over the other test files (by addingnot
cases to each one of them)? I'll be happy to hear your preference around that :)