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38 Only consider meta variables in ambiguous "any of" constraints by sterliakov · Pull Request #18986 · python/mypy · GitHub
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Only consider meta variables in ambiguous "any of" constraints #18986

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Merged
merged 9 commits into from
May 6, 2025
Merged

Only consider meta variables in ambiguous "any of" constraints #18986

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18aba13
Try ignoring "foreign" typevars from any_constraints if they are othe…
sterliakov Apr 28, 2025
9ae2a23
Move to shared type_state
sterliakov Apr 28, 2025
e8d6327
Direction doesn't matter
sterliakov Apr 28, 2025
7af21d5
Move test case where it belongs
sterliakov Apr 28, 2025
71e4496
Move this check to a separate state, see anyio failure
sterliakov Apr 28, 2025
9090192
Remove shared state, `is_meta_var` is sufficient
sterliakov May 5, 2025
cf33caa
Merge remote-tracking branch 'upstream/master' into experiments/st-ex…
sterliakov May 5, 2025
516cef7
Add reveal_type in test
sterliakov May 6, 2025
e412686
Add comment from review
sterliakov May 6, 2025
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Add reveal_type in test
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@sterliakov
sterliakov committed May 6, 2025
commit 516cef73ffa567dd0636d0bfd4afaf3d4b86be6c
1 change: 1 addition & 0 deletions test-data/unit/check-inference.test
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Expand Up @@ -3976,5 +3976,6 @@ class Mapping(Generic[_K, _V]):

def check(mapping: Mapping[str, _T]) -> None:
ok1 = mapping.get("", "")
reveal_type(ok1) # N: Revealed type is "Union[_T`-1, builtins.str]"
ok2: Union[_T, str] = mapping.get("", "")
[builtins fixtures/tuple.pyi]








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