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join is not associative in the presence of unions #3339
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It looks like joins should only produce unions if one of the operands is a union with more than one non-
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Another example (which doesn't use None)
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hauntsaninja
changed the title
join is not associative in strict optional mode
join is not associative in the presence of unions
May 21, 2023
Maybe worth clarifying (in the original post) what's the desired outcome? I assume |
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While working on #3322 I have found this problem:
This turns out to be the cause of spurious
--strict-optional
errors I mentioned there.The text was updated successfully, but these errors were encountered: