'in' should not operate on primitive types (#41928 + @andrewbranch) #42288
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… instantiable non primitive
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| // 4. a type parameter whose constraint is | ||
| // i. an object type, | ||
| // ii. the non-primitive type, or | ||
| // iii. a union or intersection with at least one constituent assignable to an object or non-primitive type. |
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I hate phrasing these recursive relationships.
sandersn
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Jan 12, 2021
Zzzen
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Jan 16, 2021
…branch) (microsoft#42288) * 'in' should not operate on primitive types * accept baselines of failing tests * review * update error message * check if constraint of right type is assignable to a non primitive or instantiable non primitive * do not throw errors where narrowing is impossible * accept baselines * fix test case failures * Add more accurate comment discussion and document failing edge case in test * Update baselines Co-authored-by: Jonas Hübotter <[email protected]>
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Continuation of #41928 because I can’t push the last-minute commit there