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Better match narrowing for irrefutable mapping patterns - #20906
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hauntsaninja merged 2 commits intoMar 4, 2026
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hauntsaninja merged 2 commits into
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hauntsaninja
marked this pull request as draft
February 26, 2026 19:19
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Hm, need to make this a little bit more principled |
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
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hauntsaninja
marked this pull request as ready for review
March 4, 2026 08:06
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Actually I'm going to go ahead and just merge this, since I want it in 1.20. The Any special case is not the worst thing ever |
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Fixes #18950
Fixes this comment #19081 (comment) (previously improved on by #20744 and #20782 )